Flexible coupling ~ 5mm stepper to 3/8" lead screw
thingiverse
Reduce your z-axis motor's stepper current when using this coupling, especially if printed in PLA due to potential overheating. This custom-designed flexible coupling features quick printing speed, support for up to three set screws (with one being sufficient), and a central spiral for pivoting if the screw is misaligned. A minimum of one M3 nut and an M3x8mm bolt or longer are required; using all three bolts may be necessary if the z-stepper overheats, preventing coupler deformation. Compatible with One/Two Up printers and both stock and 3D printed Stefanburger gantries.
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