cam clamps

This is a clip made of 3d printer, the test clamp is very good,and a cheap way to build.And can change the length arbitrarily.

More details and parts list:

This one is printed entirely with ABS
Screw: M6X80MM=1PCS
M4X35MM=1PCS
M4X25MM=4PCS
M4X20MM=1PCS
M4X10MM=3PCS