Industrial Design

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DMLS tolerances for screw holes and sealing surfaces
Industrial Design
Hi, I’m working on a small metal housing (around 120 × 80 × 40 mm) that will be 3D printed with DMLS for a sensor module. It needs threaded M3 screw holes and a... read more
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Oct 28
Design challenge: rope-to-rope transfer in a small cylindrical coupling
Industrial Design
Hi, working now on a small-scale linear actuator project and need a compact coupling between two coaxial cylinders. Both are 44 mm in diameter, with the upper one hollow (22 mm inner Ø). The... read more
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94
Oct 17
Compact linear slide – how to balance smooth travel with lateral stability
Industrial Design
hi!I’m working on a compact linear slide mechanism for a handheld inspection tool. The carriage rides between two vertical guide rails and has to remain laterally constrained while still moving smoothly along the axis.... read more
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151
Oct 15
Slim linear guide for precise lab automation stage
Industrial Design
I’m designing a compact linear stage for a lab automation setup, used to move a microplate (about 300 grams) precisely along a 150 mm travel. The system needs to achieve repeatability under ±0.05 mm... read more
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808
Sep 02
Advice on plastic insert gripping an inner rotating tube
Industrial Design
Hello, I'm designing a plastic coupling sleeve to mount an aluminum shaft (20 mm OD) from the inside. The sleeve needs to grip the shaft firmly enough to transmit rotational torque from a small... read more
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793
Aug 21
O-ring seal design for removable marine sensor housing
Industrial Design
Hi! My project is a small-scale marine sensor housing; it needs to stay functional when briefly submerged (around 0.5 m depth) or exposed to heavy splashes on a boat deck. I’m using a machined... read more
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1.4k
Aug 22
Compact two-axis rotation without U-joints?
Industrial Design
Hi all! I’m building a compact gimbal for a sensor head that needs to rotate around two perpendicular axes (pan and tilt). I’m trying to stay away from standard U-joints — they take up... read more
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2.1k
Aug 14
SLA wall thickness issue for microfluidic channels
Industrial Design
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 on optical inspection through... read more
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782
Jul 29
Embossed vs. engraved text for outdoor molded parts
Industrial Design
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 text for aesthetic reasons,... read more
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1.2k
Aug 08
Minimum hole diameter vs sheet thickness 316L
Industrial Design
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 I’ve heard there might... read more
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1.2k
Aug 01

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