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Knowledge & Community For Engineers & Product Designers

Learn & share your knowledge in mechanical engineering, manufacturing, and product design. Created & moderated by Xometry, an AI-powered platform for sourcing custom manufacturing.

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Share your engineering and product design journey and get a €300 reward! Showcase your innovative solutions and best practices with our community.
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Manufacturing Stories & Cases

Share and discover real-world engineering, product design, and manufacturing stories from our subscribers, showcasing innovative engineering solutions and best practices.

Pushing the Limits of Light: How Elettra 2.0 is Built for Next-Gen Science

  • Story
  • Electronics
  • CNC Machining
  • Manufacturing Insights

Elettra Sincrotrone Trieste is a hub of advanced engineering and scientific excellence. Our team designs and builds high-precision systems to support world-class research with synchrotron and FEL light. With Elettra 2.0, we are taking a bold step forward: upgrading our synchrotron facility with nanometer-level motion systems that operate inside ultra-high vacuum—laying the groundwork for the next generation of light-based science and innovation.

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11.08.2025

Latest Stories & Cases

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How We Set Tunneling Records and Won the Not-a-Boring Competition

  • Story
  • Machine building
  • CNC Machining
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TRÖTE: Where Glass, Technology, and Sound Become a Sculptural Experience

  • Story
  • Design
  • Laser Cutting
  • Sheet Metal
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Practical Engineer, Exploring Magnetic Couplings

Exploring Magnetic Couplings: No Gears, No Belts, Just Magnets

  • Story
  • Hobby
  • CNC Machining
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Reinventing the Wheel for Mars: How We Engineered a Flexible Airless Tyre

  • Story
  • Aerospace
  • 3D Printing
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Latest Articles

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Explore a collection of articles written by Xometry’s engineers and professionals, providing valuable insights and expertise.

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7 min
high performance plastic parts for injection molding

How to Choose and Design for High-Performance Plastics in Injection Molding

  • Article
  • Injection Molding
  • Materials
  • Design
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07.08.2025
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2 min
CNC machined part with Alodine (chromate conversion) coating

Alodine Coating Finish for Corrosion-Resistant & Conductive Aluminium Parts

  • Article
  • Post-Processing
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04.08.2025
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6 min

How To Create 3D-Printed Fixtures Using fixturemate?

  • Article
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29.07.2025
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3 min
Steel CNC-machined parts

CNC Machining Materials: 6 Expert Tips for Making the Right Choice

  • Article
  • CNC Machining
  • Materials
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16.07.2025
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4 min

PolyJet 3D Printing: 8 Key Design Tips for Better Prints

  • Article
  • 3D Printing
  • Design
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08.07.2025
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4 min
Small series of MJF PP parts

Why Choose 3D Printing for Serial Manufacturing?

  • Article
  • 3D Printing
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02.07.2025

Community Discussions

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Brian Carter
28.07.2025
SLA wall thickness issue for microfluidic channels
Hi, I created a 3D design for a small microfluidic part using SLA (Clear Resin) with internal channels ~0.4 mm wide and wall thickness around 0.5 mm. The function relies…
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Taylor Bates
25.07.2025
Embossed vs. engraved text for outdoor molded parts
Hi there, I need to add a part number and recycling symbol on the surface of molded parts in PP GF20 for outdoor use. I initially planned to use engraved…
Comment3
F
Fred Begum
23.07.2025
Minimum hole diameter vs sheet thickness 316L
Hello, I would like to produce a stainless steel 316L bracket, 3 mm thick, cut by fiber laser. I need to include several small holes for drainage and fastening, and…
Comment3
Charlene Cohitmingao
18.07.2025
Choosing the Right Material for Injection Molding – What’s Your Go-To?
Hey everyone! I’m working on a few small-batch parts and weighing my options when it comes to materials for injection molding. I've used ABS and polypropylene in the past, but…
Comment0
M
May Hall
17.07.2025
Ejector pin placement near snap-fit
I’m working on a small injection-molded housing for an automotive sensor, using PA6 GF30. There are two snap-fit arms inside (cantilever type), about 2 mm-thick walls. I’m not sure where…
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Brian Carter
28.07.2025
SLA wall thickness issue for microfluidic channels
Hi, I created a 3D design for a small microfluidic part using SLA (Clear Resin) with internal channels ~0.4 mm wide and wall thickness around 0.5 mm. The function relies…
Comment1
T
Taylor Bates
25.07.2025
Embossed vs. engraved text for outdoor molded parts
Hi there, I need to add a part number and recycling symbol on the surface of molded parts in PP GF20 for outdoor use. I initially planned to use engraved…
Comment3
F
Fred Begum
23.07.2025
Minimum hole diameter vs sheet thickness 316L
Hello, I would like to produce a stainless steel 316L bracket, 3 mm thick, cut by fiber laser. I need to include several small holes for drainage and fastening, and…
Comment3
Charlene Cohitmingao
18.07.2025
Choosing the Right Material for Injection Molding – What’s Your Go-To?
Hey everyone! I’m working on a few small-batch parts and weighing my options when it comes to materials for injection molding. I've used ABS and polypropylene in the past, but…
Comment0
M
May Hall
17.07.2025
Ejector pin placement near snap-fit
I’m working on a small injection-molded housing for an automotive sensor, using PA6 GF30. There are two snap-fit arms inside (cantilever type), about 2 mm-thick walls. I’m not sure where…
Comment0
M
May Hall
17.07.2025
Ejector pin placement near snap-fit
I’m working on a small injection-molded housing for an automotive sensor, using PA6 GF30. There are two snap-fit arms inside (cantilever type), about 2 mm-thick walls. I’m not sure where…
Comment5

Ebooks & Guides

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Download insightful ebooks and guides that offer in-depth knowledge and practical advice.

eBook: Injection Molding Design Guidelines and Best Practices

  • downloadDownload
  • Injection Molding

This guide distills key principles of injection molding design—from material selection and surface finishes to draft angles, ribs, and snap-fits. It also covers common defects and how to avoid them, helping you create reliable, cost-effective plastic parts with confidence.

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26.03.2025

Latest Guides

Aluminum heat sink installed on a computer circuit board for cooling chips

eBook: CNC Machining and Injection Molding
for the Electronics Industry

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  • CNC Machining
  • Injection Molding
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11.10.2024
MJF 3D printed parts

eBook: HP Multi Jet Fusion Design Guide

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  • 3D Printing
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24.05.2024
A 3D printing machine printing a complex part

eBook: 3D Printing vs. CNC Machining

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  • CNC Machining
  • CNC Machining
  • 3D Printing
  • 3D Printing
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18.04.2024

eBook: Sheet Metal Cutting Design Guide

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  • Sheet Metal
  • Design
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26.07.2023

Free tools

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Access our free tool designed to assist engineers and product designers in their work and enhance your productivity.

Instant Quoting Add-in for Autodesk Fusion 360

Xometry add-in for SOLIDWORKS

Instant Quoting Add-in for SOLIDWORKS

3D printing decision guide

3D Printing Decision Guide

Ra – Rz – N Surface Roughness Converter

Webinars

Participate in informative webinars that feature industry experts discussing the latest trends, technologies, and best practices.

fixturemate in Practice: Designing Custom Fixtures – Fast, Easy, and 3D-Printable

  • Live Webinar
  • 3D Printing

Join us for a live session where experts from trinckle and Xometry will walk you through using fixturemate, a powerful browser-based tool for designing custom 3D-printed fixtures without CAD. Learn how to configure the fixture with intuitive tools and seamlessly send it for instant quoting and production. Whether for manufacturing, assembly, or inspection, explore how easy fixture design can be.

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06.08.2025

Our Popular Webinars

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Mastering Vacuum Casting with Xometry: From Prototype to Production Success

  • On-Demand Webinar
  • Urethane Casting
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7 Practical Design Tips to Reduce CNC Machining Costs

  • Past Live Webinar
  • CNC Machining
  • Design
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17.01.2024

Busting Five Myths About Industrial 3D Printing

  • Past Live Webinar
  • 3D Printing
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17.01.2024

Deep Dive into HP’s MJF 3D Printing Technology

  • Past Live Webinar
  • 3D Printing
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31.10.2023

Courses

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Enroll in our course to gain hands-on knowledge and skills, with structured lessons and interactive learning experiences.

Principles of 3D Printing Design for Industrial Engineers

Design tips for additive manufacturing principles from the experts at Xometry, the world’s largest digital manufacturing marketplace.