R Pi Zero + Adafruit OLED Bonnet Case

thingiverse

This is a simple case for a Raspberry Pi Zero with an attached Adafruit OLED bonnet. There are offsets and features on the interior to provide space for things like the OLED ribbon cable and solder points on the underside of the Pi (if you solder headers to yours). There are openings for all ports, and on the lid for screen & button access. The small buttons on the bonnet are pretty recessed in comparison to the joystick and I don't use them much, so thumb access to the buttons isn't perfect. As for securing, I used 20mm M3 screws that go through the lid and the corner holes on both components and into M3 bolts on the underside of the box that are in recesses/countersinks. There's a tiny ridge feature around the bolt holes on the lid that allow for the ridge of a socket-style head screw to countersink a little bit. In the case of all openings, the fit may depend on the tolerance of your printer and slicer settings, so you may need to mess with hole sizing a bit. NOTE: For M3 screws to work, the diameter of the corner holes on a Raspberry Pi Zero and an Adafruit bonnet usually isn't quite enough. I occasionally have to turn a drill bit by hand in the board holes a little to shave out just enough for it to fit, which of course is not recommended by Rasperry Pi or Adafruit. I really wanted to use M3 bolts in the way that I did, so I'm OK doing that on my components. Do this at your own risk and your mileage may vary.