Wanhao i3 Clip on Raspberry Pi Octoprint Case with heat sink hole

This is just the lid for [Thing #1934900, "Wanhao i3 Clip on Raspberry Pi Octoprint Case"](https://www.thingiverse.com/thing:1934900) with a hole cut in the top for a 15mmX15mm heatsink commonly used with the Raspberry Pi.

Print this instead of the "body2.stl" piece along with the lower body and clip from the original.