2.open with google sketchup (sketchup.com/download)
3.click on the raspberry,
7.ctrl-v, position and click,
8.save as, name it, save it where you want,
9.then "export as stl"
(if not yet in your menu yet, go via "window" to "extension warehouse" and install.)
10.fix with https://netfabb.azurewebsites.net/
netfabbs online repair service.
- 3D Print, have it printed online or locally via 3D Hubs.