Thingiverse

Customizable 3D Tolerance Test

door zapta

5.2k Downloads

2.6k Likes

29 Makes

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NOTE TO SIMPLIFY 3D USERS: several users reported that S3D doesn't slice this model correctly and I was able to reproduce it, the 0.2 part is fused at about Z=10mm http://i.imgur.com/99Qa9SV.png. If this happens to you, try one of these workaround (all worked for me) 1) rotate the part on the Z axis by 90 degrees, or 2) Click the menu entry Mesh | Separate Connected Surfaces before slicing.

This thing allows you to test the accuracy of your printing process and to determine the optimal clearance between moving parts (e.g. hinges). It was inspired by this Maker's Muse video https://youtu.be/TYuLVN3YHw8 and was designed with OpenScad (source file included here).

The test allow you to test up to 7 different clearances of your choice. Each clearance is tested using a cylinder and a rod that have the specified clearance between them. After printing, examine which of the clearances resulted in free moving parts, which can be freed by breaking them in using the screwdriver slot at t

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Printer

FDM / FFF