Industrial Design

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How to correctly specify standard and non-standard threads in a technical drawing?
Industrial Design
For a machined part that has both standard and non-standard thread types, what’s the best way to call out threads in the technical drawing? In particular, should I use thread callouts or full detail... read more
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446
Nov 14
Drawing callout for tight tolerance over short bore length
Industrial Design
hi, I have an aluminum housing for a small gearbox where the bearing seats are, of course, critical. I need to hold tight tolerances on the ID and OD, but only over a short... read more
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416
Oct 31
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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411
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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330
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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324
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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919
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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908
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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1.6k
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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2.2k
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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866
Jul 29

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