- 1m of M8 Threaded Rod or 5/16th rod. - 12 M8 Nuts or 5/16th nuts. - 11 m3 coarse screws or similar. - 1 rapsberry pi B+ or raspberry pi 2 B+ - 1 raspberry pi camera - 2 Line lasers from Harbor freight. Item#93242 - 2 m3x60mm bolts - 6 M3 nuts - 50mm generic fan - Circuit board with the control circuitry (see freelss for details)