{"id":16992,"date":"2024-06-17T16:35:00","date_gmt":"2024-06-17T14:35:00","guid":{"rendered":"https:\/\/xometry.pro\/articles\/3d-printing-file-formats\/"},"modified":"2025-03-05T16:03:34","modified_gmt":"2025-03-05T15:03:34","slug":"3d-printing-file-formats","status":"publish","type":"articles","link":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/","title":{"rendered":"3D Printing File Formats Compared: STL, AMF, 3MF and OBJ"},"content":{"rendered":"<div role=\"navigation\" aria-label=\"Table of Contents\" class=\"simpletoc wp-block-simpletoc-toc\"><h2 class=\"simpletoc-title\">Table of Contents<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#h-3d-printing-workflow-what-files-amp-software-needed\">3D Printing Workflow: What Files &amp; Software Needed?<\/a>\n\n\n<li><a href=\"#h-stl-files\">STL Files<\/a>\n\n<\/li>\n<li><a href=\"#h-amf-files\">AMF Files<\/a>\n\n<\/li>\n<li><a href=\"#h-3mf-files\">3MF Files<\/a>\n\n<\/li>\n<li><a href=\"#h-obj-files\">OBJ Files<\/a>\n\n<\/li>\n<li><a href=\"#step-files\">STEP Files<\/a>\n\n\n<\/li>\n\n<li><a href=\"#how-to-resize-3d-printing-files\">How to Resize 3D Printing Files<\/a>\n\n<\/li>\n<li><a href=\"#h-upload-your-3d-files-and-get-a-quote\">Upload Your 3D Files and Get A Quote<\/a>\n<\/li><\/ul><\/div>\n\n    <section class=\"article-author-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <div class=\"author-block\">\r\n                                        <div class=\"author-image\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/07\/Nikolaus-Mroncz-1.png\" alt=\"\">\r\n                        <\/div>\r\n                                                <div class=\"author-info\">\r\n                            <h4 class=\"author-name\">Nikolaus Mroncz<\/h4>\r\n                            <p class=\"author-position\">Head of Sales Engineering at Xometry<\/p>\r\n                        <\/div>\r\n                                    <\/div>\r\n                <div class=\"quote-block\" style=\"border-color: #0E6AED;\">\r\n                    <p>When it comes to 3D printing, there are different file formats to choose from, but the most common are STL, 3MF, AMF and OBJ. Which one you pick mostly depends on your role \u2013 whether you\u2019re an engineer or a product designer who wants a 3D design printed, or if you\u2019re the one running the 3D printer. If you\u2019re looking to get a quote and order some 3D printed parts, <a href=\"https:\/\/get.xometry.eu\/?locale=en\" target=\"_blank\" rel=\"noopener\">Xometry\u2019s Instant Quoting Engine\u00ae<\/a> is a great tool. You can also upload STP files there, but keep in mind that the end manufacturers would need to convert such files into 3D printers\u2019 friendly formats such as STL.<\/p>\n                <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-eu\/articles\/file-formats-manufacturing\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/stl.webp\" alt=\"Example of STL file\"><\/a><a href=\"https:\/\/xometry.pro\/en-eu\/articles\/file-formats-manufacturing\/\" class=\"aside-link\">Choosing Right File Formats for Manufacturing<\/a>    <\/aside>\r\n    \n\n<h2 class=\"wp-block-heading\" id=\"h-3d-printing-workflow-what-files-amp-software-needed\"><strong><strong>3D Printing Workflow: What Files &amp; Software Needed?<\/strong><\/strong><\/h2>\n\n\n<p>To better understand 3D printing file formats, it is essential to grasp how 3D printing itself works. 3D printers create objects by building them layer by layer. Therefore, after designing a model and saving it in a specific 3D printing file format, the next crucial step is slicing. Slicing is the process where the solid model is divided into numerous thin horizontal layers. <strong>This step is essential only if you operate a 3D printer yourself.<\/strong><\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-eu\/topic\/discussing-cad-add-ins-which-ones-are-essential-for-you\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/community-icon-1.svg\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/en-eu\/topic\/discussing-cad-add-ins-which-ones-are-essential-for-you\/\" class=\"aside-link\">Discussing CAD add-ins: Which ones are essential for you?<\/a>    <\/aside>\r\n    \n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"307\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/EN-3D-printing-file-formats-1024x307.png\" alt=\"\" class=\"wp-image-41008\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/EN-3D-printing-file-formats-1024x307.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/EN-3D-printing-file-formats-300x90.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/EN-3D-printing-file-formats-768x230.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/EN-3D-printing-file-formats-1536x460.png 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/EN-3D-printing-file-formats-2048x614.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/EN-3D-printing-file-formats.png\" data-fancybox=\"gallery-16992\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/06\/EN-3D-printing-file-formats.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p>Slicing software scans these layers and uses the information to generate the&nbsp;<a href=\"#gcode\">G-Code<\/a>&nbsp;which is a set of detailed instructions dictating how the 3D printer should move to produce the desired object. This G-Code file is then sent to the printer for execution. Slicing software, essential for preparing a model for printing, does not work with standard 3D file formats such as STEP, IPT, and SLDPRT. These formats must first be converted to an additive manufacturing file format.<\/p>\n\n\n    <aside data-id=\"gcode\" class=\"aside-popup\">\r\n        <div class=\"popup-content\">\r\n            <div class=\"popup-close-btn\">\r\n                <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/themes\/xometry\/assets\/images\/cross.svg\" alt=\"close-popup\">\r\n            <\/div>\r\n            <div>\r\n                <div class=\"popup-title\">G-Code<\/div><div class=\"popup-text\">G-code serves as a set of instructions directing automated machines. This code plays a fundamental role in guiding tools and coordinating precise movements, ensuring the seamless execution of manufacturing processes.<\/div>            <\/div>\r\n                    <\/div>\r\n    <\/aside>\r\n\n\n\n<p>Some 3D printers come equipped with their own native slicing software, allowing users to directly use the model in the 3D printing file format without needing third-party software. This integration can streamline the printing process and enhance compatibility between the model file and the printer&#8217;s capabilities.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"506\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/g-code-3d-printing-1024x506.png\" alt=\"Example of a G-code (Source: 3Dpea.com)\" class=\"wp-image-40641\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/g-code-3d-printing-1024x506.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/g-code-3d-printing-300x148.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/g-code-3d-printing-768x379.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/g-code-3d-printing-1536x758.png 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/g-code-3d-printing.png 1776w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/g-code-3d-printing.png\" data-fancybox=\"gallery-16992\" data-caption=\"Example of a G-code (Source: 3Dpea.com)\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/g-code-3d-printing.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Example of a G-code (Source: 3Dpea.com)<\/figcaption><\/figure>\n\n\n\n<p>The information contained in the CAD file is crucial for successful 3D printing. The file format determines the specific data the file carries, which is used to generate the necessary machine code. Essential information includes geometry, texture, color, and material. Regular 3D CAD file formats often do not encode this data specifically for 3D printing, hence the need for specialized 3D printing file formats.<\/p>\n\n\n\n<p>Among the various 3D printing file formats available today, the most ubiquitous are STL, OBJ, AMF, and 3MF. Let\u2019s see how they compare.<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-cost\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/Strateo-3D-industrial-FDM-3D-printer.jpeg\" alt=\"Strateo 3D industrial FDM 3D printer\"><\/a><a href=\"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-cost\/\" class=\"aside-link\">How to Reduce the Cost of 3D Printing<\/a>    <\/aside>\r\n    \n\n<h3 class=\"wp-block-heading\" id=\"h-stl-3mf-amf-and-obj-compared\"><strong>STL, 3MF, AMF, and OBJ Compared<\/strong><\/h3>\n\n<div class=\"custom-table-block \" id=\"table-id-587\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-587\" placeholder=\"Table search\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%; height: 952px;\">\n<tbody>\n<tr style=\"height: 56px;\">\n<td style=\"width: 16.2371%; height: 56px;\"><b>File format<\/b><\/td>\n<td style=\"width: 17.268%; height: 56px;\"><b>Extension<\/b><\/td>\n<td style=\"width: 17.6546%; height: 56px;\"><b>Use case<\/b><\/td>\n<td style=\"width: 18.9433%; height: 56px;\"><b>Characteristics<\/b><\/td>\n<td style=\"width: 17.7835%; height: 56px;\"><b>Limitations<\/b><\/td>\n<td style=\"width: 11.9845%; height: 56px;\"><b>File size*<\/b><\/td>\n<\/tr>\n<tr style=\"height: 224px;\">\n<td style=\"width: 16.2371%; height: 224px;\"><span style=\"font-weight: 400;\">STL<\/span><\/td>\n<td style=\"width: 17.268%; height: 224px;\"><span style=\"font-weight: 400;\">.stl<\/span><\/td>\n<td style=\"width: 17.6546%; height: 224px;\"><span style=\"font-weight: 400;\">Prototyping and simple parts, e.g., basic mechanical components<\/span><\/td>\n<td style=\"width: 18.9433%; height: 224px;\"><span style=\"font-weight: 400;\">Stores geometry as a collection of triangles; universally supported across 3D printing platforms<\/span><\/td>\n<td style=\"width: 17.7835%; height: 224px;\"><span style=\"font-weight: 400;\">No support for color, texture, or detailed material properties<\/span><\/td>\n<td style=\"width: 11.9845%; height: 224px;\"><span style=\"font-weight: 400;\">Typically 1-25 MB, can be optimized down to 100 KB with reduced detail<\/span><\/td>\n<\/tr>\n<tr style=\"height: 200px;\">\n<td style=\"width: 16.2371%; height: 200px;\"><span style=\"font-weight: 400;\">3MF<\/span><\/td>\n<td style=\"width: 17.268%; height: 200px;\"><span style=\"font-weight: 400;\">.3mf<\/span><\/td>\n<td style=\"width: 17.6546%; height: 200px;\"><span style=\"font-weight: 400;\">Modern, versatile applications, e.g., consumer products with detailed features, mixed-material objects<\/span><\/td>\n<td style=\"width: 18.9433%; height: 200px;\"><span style=\"font-weight: 400;\">Compact and efficient; supports advanced features like color, material, and complex geometries<\/span><\/td>\n<td style=\"width: 17.7835%; height: 200px;\"><span style=\"font-weight: 400;\">Growing support but not yet as universal as STL; may require modern software<\/span><\/td>\n<td style=\"width: 11.9845%; height: 200px;\"><span style=\"font-weight: 400;\">2-30 MB, efficient compression keeps sizes smaller<\/span><\/td>\n<\/tr>\n<tr style=\"height: 224px;\">\n<td style=\"width: 16.2371%; height: 224px;\"><span style=\"font-weight: 400;\">AMF<\/span><\/td>\n<td style=\"width: 17.268%; height: 224px;\"><span style=\"font-weight: 400;\">.amf<\/span><\/td>\n<td style=\"width: 17.6546%; height: 224px;\"><span style=\"font-weight: 400;\">Advanced applications needing detailed attributes, e.g., multi-material prototypes, complex color patterns<\/span><\/td>\n<td style=\"width: 18.9433%; height: 224px;\"><span style=\"font-weight: 400;\">Supports multiple materials, colors, and textures; ideal for intricate designs<\/span><\/td>\n<td style=\"width: 17.7835%; height: 224px;\"><span style=\"font-weight: 400;\">Less widely supported by 3D printers and software; more complex than STL<\/span><\/td>\n<td style=\"width: 11.9845%; height: 224px;\"><span style=\"font-weight: 400;\">Typically 10-100 MB, can be larger with complex data<\/span><\/td>\n<\/tr>\n<tr style=\"height: 224px;\">\n<td style=\"width: 16.2371%; height: 224px;\"><span style=\"font-weight: 400;\">OBJ<\/span><\/td>\n<td style=\"width: 17.268%; height: 224px;\"><span style=\"font-weight: 400;\">.obj<\/span><\/td>\n<td style=\"width: 17.6546%; height: 224px;\"><span style=\"font-weight: 400;\">Detailed models requiring texture and color, e.g., character models in gaming, complex architectural designs<\/span><\/td>\n<td style=\"width: 18.9433%; height: 224px;\"><span style=\"font-weight: 400;\">Supports texture, color, and material properties; allows for high-detail rendering<\/span><\/td>\n<td style=\"width: 17.7835%; height: 224px;\"><span style=\"font-weight: 400;\">Can be large and complex due to additional data; may require managing multiple files (geometry, textures)<\/span><\/td>\n<td style=\"width: 11.9845%; height: 224px;\"><span style=\"font-weight: 400;\">Without textures: 5-50 MB; with textures: up to several hundred MB<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 10pt;\">*File size estimates are based on typical use cases and can vary significantly depending on the specific details and complexity of the model.<\/span><\/p>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"h-stl-files\"><strong><strong>STL Files<\/strong><\/strong><\/h2>\n\n\n<p>The STL file format (STereoLithography) is the most widely used format in 3D printing. Its simplicity and universal compatibility make it the go-to choice for a wide range of 3D CAD software and 3D printing applications.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/stl-1024x576.webp\" alt=\"Example of STL file\" class=\"wp-image-15813\" style=\"max-width:757px;height:auto\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/stl-1024x576.webp 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/stl-300x169.webp 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/stl-768x432.webp 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/stl-1536x864.webp 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/stl.webp 1612w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/stl.webp\" data-fancybox=\"gallery-16992\" data-caption=\"Example of STL file (Source: all3dp.com)\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/stl.webp\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Example of STL file (Source: all3dp.com)<\/figcaption><\/figure>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-eu\/topic\/tips-for-converting-from-stl-to-step\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/community-icon-1.svg\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/en-eu\/topic\/tips-for-converting-from-stl-to-step\/\" class=\"aside-link\">Tips for converting from STL to STEP?<\/a>    <\/aside>\r\n    \n\n\n<p>One key characteristic of STL is that it saves geometry using tessellations. Tessellation is the process of covering (tiling) a surface with a series of geometric shapes in such a way that there are no gaps or overlaps. In STL files, a 3D model\u2019s geometry is encoded by numerous triangles covering the model\u2019s surfaces.<\/p>\n\n\n\n<p>For curved surfaces, a large number of arbitrarily small triangles are required to cover the surfaces. However, the larger the number of triangles employed in a model, the bigger the file size.<\/p>\n\n\n\n<p>Another distinguishing characteristic of the STL format is that it only stores geometry data. Other data related to a model such as color, texture, and material are left out. This wasn\u2019t a problem when printers could only print in one color and one material at a time. It may still not be a problem if you require a simple prototype. However, with advancements in 3D printing such as multi-color and multi-material printing, and with the use of 3D printing for producing fully functional, ready-to-use objects, the STL file format may well be on its way out.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Pros<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compatible with virtually every hardware and software in the world of 3D printing<\/li>\n\n\n\n<li>Most widely used and shared file format for 3D printing. Millions of STL models are available for easy download online<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Cons<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Can only store geometry data. Color, texture, and material data are left out<\/li>\n\n\n\n<li>The level of detail is limited. For example, curved surfaces are approximated<\/li>\n\n\n\n<li>The higher the accuracy of the file, the larger it would be<\/li>\n\n\n\n<li>There may be holes and overlapping triangles in the tessellation as the file format is error-prone. Note that imperfections can be detected and fixed using STL repair tools. This, however, is time-consuming<\/li>\n\n\n\n<li>Scale and units are not specified<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-amf-files\"><strong><strong>AMF Files<\/strong><\/strong><\/h2>\n\n\n<p>The AMF (Additive Manufacturing File) 3D printing file format is considered to be an updated version of STL. It was developed exclusively for additive manufacturing by the ASTM (American Society for Testing Materials) in 2013 to address the limitations of STL files.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Like STL, AMF stores geometry data using triangular tessellation. However, the triangles in AMF can curve, resulting in accurate data representation. This also results in much smaller file sizes as a smaller amount of triangles are required to accurately represent curved surfaces.<\/p>\n\n\n\n<p>Also, AMF files can store color, texture, material, duplicate, orientation, and lattice data, as well as metadata. This makes them far more technically superior than their STL counterparts.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"311\" height=\"385\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/curved-triangle-patch-amf.jpg\" alt=\"A curved triangle patch (Source: Wikipedia)\" class=\"wp-image-40653\" style=\"max-width:248px;height:auto\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/curved-triangle-patch-amf.jpg 311w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/curved-triangle-patch-amf-242x300.jpg 242w\" sizes=\"(max-width: 311px) 100vw, 311px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/curved-triangle-patch-amf.jpg\" data-fancybox=\"gallery-16992\" data-caption=\"A curved triangle patch (Source: Wikipedia)\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/curved-triangle-patch-amf.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">A curved triangle patch (Source: Wikipedia)<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Pros<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Can store all possible data and metadata about a model<\/li>\n\n\n\n<li>Scale can be specified in various units<\/li>\n\n\n\n<li>Very low possibility of error<\/li>\n\n\n\n<li>Small file size<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Cons<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Has limited support<\/li>\n\n\n\n<li>Adoption has been slow<\/li>\n\n\n\n<li>Not supported by all 3D printing platforms and software.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3mf-files\"><strong><strong>3MF Files<\/strong><\/strong><\/h2>\n\n\n<p>After analysing the shortcomings and slow adoption of the AMF file format, some of the biggest names in 3D printing including Autodesk, 3D Systems, Stratasys, HP, Microsoft came together to form a body known as the 3MF consortium. This body developed the 3MF 3D printing file format which is very similar to but much more widely accepted than AMF.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/slide-solid-back-man3-1024x512.jpg\" alt=\"Example of 3MF file\" class=\"wp-image-15825\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/slide-solid-back-man3-1024x512.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/slide-solid-back-man3-300x150.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/slide-solid-back-man3-768x384.jpg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/slide-solid-back-man3.jpg 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/slide-solid-back-man3.jpg\" data-fancybox=\"gallery-16992\" data-caption=\"Example of 3MF file (Source: ultimaker.com)\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/slide-solid-back-man3.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Example of 3MF file (Source: <a href=\"http:\/\/ultimaker.com\">ultimaker.com<\/a>)<\/figcaption><\/figure>\n\n\n\n<p>The industry influence and extensive customer base of the 3MF consortium, as well as the functionality of the 3MF 3D printing file format, are responsible for its wide acceptance.<\/p>\n\n\n\n<p>3MF has all the technical properties of AMF. It used curved triangular tessellations to encode geometry. It can also store colour, texture, material, and orientation data, and is highly accurate.<\/p>\n\n\n\n<p>Data is stored in the human-readable XML format (as opposed to binary) for ease of development and modification. 3MF files are mostly error-free and are considered as ready-to-print, something that is very much appreciated in 3D printing.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Pros<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Relatively popular and is compatible with dozens of softwares<\/li>\n\n\n\n<li>Stores geometry data accurately<\/li>\n\n\n\n<li>Can store all data related to a model<\/li>\n\n\n\n<li>Stores all data, metadata, and properties in a single archive<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Con<\/strong>s<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Not compatible across all platforms<\/li>\n\n\n\n<li>Too complex for simple applications<\/li>\n\n\n\n<li>May become a proprietary file format<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-obj-files\"><strong><strong>OBJ Files<\/strong><\/strong><\/h2>\n\n\n<p>Developed by WaveFront Technologies, the OBJ file format was originally used in graphics design as a neutral interchange file format. With the development of multicolor and multi-material printing, the file format was later adopted by the 3D printing industry.<\/p>\n\n\n\n<p>In terms of popularity, OBJ is well-known, but behind STL. However, unlike STL which only stores geometry data, OBJ can store geometry, color, texture, and material data. Color data is stored in a separate companion MTL (Material Template). An OBJ file has to be shared with its corresponding MTL file for color printing to be possible.<\/p>\n\n\n\n<p>Another key characteristic of the OBJ format is that it allows you to choose the way the geometry of your model is encoded. You can create tessellations using various shapes such as polygons and quadrilaterals, and not just triangles. You are also able to use more advanced and precise methods such as free-form curves and surfaces. These allow OBJ files to store models with far greater accuracy.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Pros<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stores geometry, color, texture, and material data accurately<\/li>\n\n\n\n<li>Open-source, neutral standard file format widely supported by softwares<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Cons<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Contains a large amount of complex data. This makes sharing or editing time-consuming<\/li>\n\n\n\n<li>Color and texture data are stored in a separate file<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"step-files\"><strong>STEP Files<\/strong><\/h2>\n\n\n<p>STEP (STP) files are a standard format used in CAD and engineering. They store detailed 3D models with precise geometries and are ideal for complex engineering designs and assemblies.&nbsp;<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"can-i-use-stp-for-3d-printing\"><strong>Can I use STP for 3D Printing?<\/strong><\/h3>\n\n\n<p>Yes, but with some caveats. These files can be used for getting a quote (for example, with the Xometry Instant Quoting Engine\u00ae), but they usually can\u2019t be used directly for 3D printing and need to be converted into the formats native for 3D printing. This conversion can be done using various CAD software tools such as SolidWorks or online converters.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"can-i-convert-stl-into-stp\"><strong>Can I convert STL into STP?<\/strong><\/h3>\n\n\n<p>Converting STL to STP is challenging because STL files only contain surface geometry without the parametric data used in STP. The reverse, converting STP to STL, is more straightforward using CAD software but may lose some of the original detail and complexity.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/step-file-1024x576.jpg\" alt=\"Example of a STEP file (Source: Visao)\" class=\"wp-image-40689\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/step-file-1024x576.jpg 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/step-file-300x169.jpg 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/step-file-768x432.jpg 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/step-file-1536x864.jpg 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/step-file.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/step-file.jpg\" data-fancybox=\"gallery-16992\" data-caption=\"Example of a STEP file (Source: Visao)\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/step-file.jpg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Example of a STEP file (Source: Visao)<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-resize-3d-printing-files\"><strong>How to Resize 3D Printing Files<\/strong><\/h2>\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-eu\/topic\/seeking-advice-best-cad-file-format-for-multi-colored-3d-printed-toys\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/community-icon-1.svg\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/en-eu\/topic\/seeking-advice-best-cad-file-format-for-multi-colored-3d-printed-toys\/\" class=\"aside-link\">Seeking advice: best CAD file format for multi-colored 3D printed toys?<\/a>    <\/aside>\r\n    \n\n\n<ul class=\"wp-block-list\">\n<li><strong>Scaling tool<\/strong>: Import the model into a CAD of 3D modeling software (e.g. Blender, Tinkercad, or Fusion 360) and apply the scaling tool to adjust size proportionally<\/li>\n\n\n\n<li><strong>Adjust file resolution<\/strong>: Apply the \u201cReduce\u201d or \u201cSimplify\u201d function of Meshmixer or similar tools to to lower detail while maintaining geometry (by reducing the the number of triangles in STL files)<\/li>\n\n\n\n<li><strong>Compress the file<\/strong>: Convert models to formats like 3MF for built-in compression. This reduces file size without changing dimensions<\/li>\n<\/ul>\n\n\n\n<p>When resizing 3D printing files, it&#8217;s important to maintain the model&#8217;s proportions to avoid distortion. Always check that the resized model fits within your printer&#8217;s build volume and meets your design requirements. For functional parts, ensure that resizing does not affect their ability to fit together or operate correctly. Additionally, be mindful of the model&#8217;s detail and resolution, especially when reducing file size, to preserve critical features and overall quality.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"612\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/Xometry_AddInForSOLIDWORKS_Screenshot-1024x612.png\" alt=\"3D model in SOLIDWORKS with the Xometry add-in to get instant quotes\" class=\"wp-image-40701\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/Xometry_AddInForSOLIDWORKS_Screenshot-1024x612.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/Xometry_AddInForSOLIDWORKS_Screenshot-300x179.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/Xometry_AddInForSOLIDWORKS_Screenshot-768x459.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/Xometry_AddInForSOLIDWORKS_Screenshot-1536x918.png 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/Xometry_AddInForSOLIDWORKS_Screenshot-2048x1225.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/Xometry_AddInForSOLIDWORKS_Screenshot.png\" data-fancybox=\"gallery-16992\" data-caption=\"3D model in SOLIDWORKS with the Xometry add-in to get instant quotes\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/Xometry_AddInForSOLIDWORKS_Screenshot.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">3D model in SOLIDWORKS with the Xometry add-in to get instant quotes<\/figcaption><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-upload-your-3d-files-and-get-a-quote\"><strong><strong>Upload Your 3D Files and Get A Quote<\/strong><\/strong><\/h2>\n\n\n<p>In conclusion, we recommend the STL formats for simple geometry and single-color prototypes. If you intend to print simple parts in color, then the OBJ is a better option (even if the texture and color data are stored in a separate file). The 3MF and AMF 3D printing file formats are the most technically superior of the lot as they both store every information on the model. They are great for complex multi-part, multicolor, and multi-material objects. They also stand out for their ease of file sharing as all data and metadata are stored in compact, compressed files. If you have compatible necessary supporting software, feel free to go for AMF. Otherwise, 3MF is the safer option as it is more popular and more likely to be compatible with supporting software.<\/p>\n\n\n\n<p>Xometry offers <a href=\"https:\/\/xometry.eu\/en\/3d-printing\/\" target=\"_blank\" rel=\"noreferrer noopener\">3D printing services<\/a> for 7 additive manufacturing technologies. Simply upload your CAD file to our <a href=\"https:\/\/get.xometry.eu\/?locale=en\" target=\"_blank\" rel=\"noreferrer noopener\">Instant Quotine Engine<\/a> to get a quote with prices and lead times.<\/p>\n\n\n\n<p>Using CAD softwares? Get real-time pricing and design-for-manufacturing feedback from Xometry without leaving your <a href=\"https:\/\/xometry.eu\/en\/autodesk-fusion-360\/\" target=\"_blank\" rel=\"noreferrer noopener\">Autodesk Fusion 360<\/a> and <a href=\"https:\/\/xometry.eu\/en\/solidworks\/\" target=\"_blank\" rel=\"noreferrer noopener\">SOLIDWORKS<\/a> interface thanks to the Xometry add-ins.<\/p>\n","protected":false},"author":50,"featured_media":40617,"comment_status":"open","ping_status":"closed","template":"","categories":[],"c-tag-articles":[],"global-tag":[468,699],"class_list":["post-16992","articles","type-articles","status-publish","has-post-thumbnail","hentry","global-tag-3d-printing-eu","global-tag-design-eu"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>3D Printing File Formats Compared: STL, AMF, 3MF and OBJ | Xometry Pro<\/title>\n<meta name=\"description\" content=\"This article will dissect and compare the key 3D printing files formats: OBJ, the standard STL, AMF and 3MF with enriched information.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3D Printing File Formats Compared: STL, AMF, 3MF and OBJ | Xometry Pro\" \/>\n<meta property=\"og:description\" content=\"This article will dissect and compare the key 3D printing files formats: OBJ, the standard STL, AMF and 3MF with enriched information.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/\" \/>\n<meta property=\"og:site_name\" content=\"Xometry Pro\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-05T15:03:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/3d-printing-file-formats-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1626\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/articles\\\/3d-printing-file-formats\\\/\",\"url\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/articles\\\/3d-printing-file-formats\\\/\",\"name\":\"3D Printing File Formats Compared: STL, AMF, 3MF and OBJ | Xometry Pro\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/articles\\\/3d-printing-file-formats\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/articles\\\/3d-printing-file-formats\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/xometry.pro\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/3d-printing-file-formats-scaled.jpg\",\"datePublished\":\"2024-06-17T14:35:00+00:00\",\"dateModified\":\"2025-03-05T15:03:34+00:00\",\"description\":\"This article will dissect and compare the key 3D printing files formats: OBJ, the standard STL, AMF and 3MF with enriched information.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/articles\\\/3d-printing-file-formats\\\/#breadcrumb\"},\"inLanguage\":\"en-EU\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/articles\\\/3d-printing-file-formats\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-EU\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/articles\\\/3d-printing-file-formats\\\/#primaryimage\",\"url\":\"https:\\\/\\\/xometry.pro\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/3d-printing-file-formats-scaled.jpg\",\"contentUrl\":\"https:\\\/\\\/xometry.pro\\\/wp-content\\\/uploads\\\/2023\\\/11\\\/3d-printing-file-formats-scaled.jpg\",\"width\":2560,\"height\":1626},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/articles\\\/3d-printing-file-formats\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Articles\",\"item\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/articles\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Design\",\"item\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/global-tag\\\/design-eu\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"3D Printing File Formats Compared: STL, AMF, 3MF and OBJ\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/#website\",\"url\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/\",\"name\":\"Xometry Pro\",\"description\":\"Knowledge &amp; Community For Engineers &amp; Product Designers\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/xometry.pro\\\/en-eu\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-EU\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"3D Printing File Formats Compared: STL, AMF, 3MF and OBJ | Xometry Pro","description":"This article will dissect and compare the key 3D printing files formats: OBJ, the standard STL, AMF and 3MF with enriched information.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/","og_locale":"en_US","og_type":"article","og_title":"3D Printing File Formats Compared: STL, AMF, 3MF and OBJ | Xometry Pro","og_description":"This article will dissect and compare the key 3D printing files formats: OBJ, the standard STL, AMF and 3MF with enriched information.","og_url":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/","og_site_name":"Xometry Pro","article_modified_time":"2025-03-05T15:03:34+00:00","og_image":[{"width":2560,"height":1626,"url":"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/3d-printing-file-formats-scaled.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"10 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/","url":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/","name":"3D Printing File Formats Compared: STL, AMF, 3MF and OBJ | Xometry Pro","isPartOf":{"@id":"https:\/\/xometry.pro\/en-eu\/#website"},"primaryImageOfPage":{"@id":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/#primaryimage"},"image":{"@id":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/#primaryimage"},"thumbnailUrl":"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/3d-printing-file-formats-scaled.jpg","datePublished":"2024-06-17T14:35:00+00:00","dateModified":"2025-03-05T15:03:34+00:00","description":"This article will dissect and compare the key 3D printing files formats: OBJ, the standard STL, AMF and 3MF with enriched information.","breadcrumb":{"@id":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/#breadcrumb"},"inLanguage":"en-EU","potentialAction":[{"@type":"ReadAction","target":["https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/"]}]},{"@type":"ImageObject","inLanguage":"en-EU","@id":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/#primaryimage","url":"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/3d-printing-file-formats-scaled.jpg","contentUrl":"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/3d-printing-file-formats-scaled.jpg","width":2560,"height":1626},{"@type":"BreadcrumbList","@id":"https:\/\/xometry.pro\/en-eu\/articles\/3d-printing-file-formats\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/xometry.pro\/en-eu\/"},{"@type":"ListItem","position":2,"name":"Articles","item":"https:\/\/xometry.pro\/en-eu\/articles\/"},{"@type":"ListItem","position":3,"name":"Design","item":"https:\/\/xometry.pro\/en-eu\/global-tag\/design-eu\/"},{"@type":"ListItem","position":4,"name":"3D Printing File Formats Compared: STL, AMF, 3MF and OBJ"}]},{"@type":"WebSite","@id":"https:\/\/xometry.pro\/en-eu\/#website","url":"https:\/\/xometry.pro\/en-eu\/","name":"Xometry Pro","description":"Knowledge &amp; Community For Engineers &amp; Product Designers","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/xometry.pro\/en-eu\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-EU"}]}},"_links":{"self":[{"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/articles\/16992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/articles"}],"about":[{"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/types\/articles"}],"author":[{"embeddable":true,"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/comments?post=16992"}],"version-history":[{"count":14,"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/articles\/16992\/revisions"}],"predecessor-version":[{"id":103234,"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/articles\/16992\/revisions\/103234"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/media\/40617"}],"wp:attachment":[{"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/media?parent=16992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/categories?post=16992"},{"taxonomy":"c-tag-articles","embeddable":true,"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/c-tag-articles?post=16992"},{"taxonomy":"global-tag","embeddable":true,"href":"https:\/\/xometry.pro\/en-eu\/wp-json\/wp\/v2\/global-tag?post=16992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}