Over-Center Push Toggle Clamp
A print-in-place four-bar over-center toggle clamp (125 x 46 x 26 mm) that pushes a 24 mm wide pad sideways to lock a workpiece against a fence — handle, coupler, arm and base all print as one piece on printed pivot pins with 0.5 mm clearances. The base bolts down with two M5 clearance holes plus two 20 mm M5 slots so the clamp can be slid to the work on a T-track, 2020 rail or drilled bench top.
mechanism toggle-clamp workholding jig