I have a few of the early Raspberry Pis. One of them runs Octoprint for my Creality Cr10s 3D printer. I have never made cases for these. I need to get a case for this one floating around before something shorts out.
I used Inkscape and the tabbed box extension. Here are the prototypes.
First was with cardboard to get all the holes set correctly. Then tried with some Proofgrade walnut plywood but didn’t have the kerf compensation dialed in. I noticed I had a few 3mm plywood coaster blanks lying around so decided to try them out. Took a few tries to get it tweaked just right for a press fit. 2.8mm thickness and for this softer plywood, a .25 kerf compensation. I used medium Basswood settings.
Edit: reposted extension setup for kerf management.
A year ago I was in heavy production mode with the coasters for my niece’s wedding.
Edit: tweaked to manage how the Inkscape tabbed box extension compensates for kerf. And added a RPi logo for top vents and an alternate vent design, just because.
Not too sure how useful this file is going to be for anyone given the purpose and the material. That is the one thing about these tabbed boxes, it works for specific materials. Proofgrade is great for this reason, to have different materials available for the same design.