Download (STL)
M4 Mounting: Download (STL)
LEGO Mounting: Download (STL)
Cytron.io
Adafruit
BrickLink (about 65 total)
Rubber Link Tread Attachment (Optional)
608 Bearings (2)
M4 Screw and Nuts (as needed)
M4 30mm standoffs (4)
M8 Screws and Nuts (2)
M3 Screws (4)