Snap-fits

[probonopd]

Thank you for this great plug-in. Very, very useful. 👍 An absolute killer feature for me would be to have snap-fits, where you could snap the top cover into the bottom cover without the need for screws.

Here is a detailed explanation on how to design snap-fit enclosures for 3D printing:
https://www.3dhubs.com/knowledge-base/how-design-snap-fit-joints-3d-printing

This is what Solidworks has (we probably wouldn't need all this configurability but sane defaults for 3D printing):

Further background discussion:
https://forum.freecadweb.org/viewtopic.php?f=36&t=23733

Video and script for OnShape:
https://forum.onshape.com/discussion/3982/featurescript-for-snap-fit-3d-printed-enclosures

cc @luzpaz

[probonopd]

https://engineering.stackexchange.com/questions/6379/what-should-the-size-difference-be-between-a-lid-and-a-container

https://www.3dprinter.net/5-ways-to-ensure-your-sharktank-project-doesnt-tank

https://www.3dhubs.com/knowledge-base/how-design-snap-fit-joints-3d-printing

Here is background information on how to design reliable snap-fits:

• http://web.mit.edu/2.75/resources/random/Snap-Fit%20Design%20Manual.pdf
• http://fab.cba.mit.edu/classes/S62.12/people/vernelle.noel/Plastic_Snap_fit_design.pdf

[maygli]

Thank you. Very intresting feature.

[probonopd]

Also see this video on snap-fits optimized for 3D printing:
https://www.youtube.com/watch?v=pjtiWuGUnlI

[probonopd]

https://forum.freecadweb.org/viewtopic.php?f=36&t=23733&p=215537#p215509

triplus made this in FreeCAD: