Raspberrypi 3 case - plus extra holes for attachments

This is remix of the Case for Raspberry Pi model B+ and 2 B for raspberypi3 , the only change is that I fixed the position of the top so that it is flat on your print bed, the original version had it lifted up a couple mm which resulted in a raft being built, which I didn't want.

I also added some handy holes in the top and bottom for attaching other things. In my case I'm adding a mount for my quadrocopter to the top using gimbal brackets and a px4 flow sensor to the bottom lid. I used the handy "screw_hold" module in OpenSCAD. So search for "flow" and "gimbal" to see the changes I made.

The fix to the position of the top was to add 0.7 in the last line translate, which is roughly half the wall height...

Note: I found that some nice M2 x 10mm countersunk screws work well.