Oldham coupler for the TEVO Tarantula
thingiverse
Oldham inspired by the EZGimbal on Thingiverse, designed to eliminate the wobbling effect of the worm while securing the Z axis. The trapezoidal guides allow disengagement of the axis if it forces when lowering. To create this Oldham coupler, print one "coupler2.stl" middle part and two "coupler1.stl" top and bottom parts without supports required. After sanding the contact faces to a mirror finish and applying grease, I found it works effectively. The before/after picture showcases its improvement.
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