NEMA17 stepper to M6 Thread Rod Solid Coupler by AutoX3D

After being frustrated with all of the other designs I downloaded here, I went to the drawing board and came up with this simple yet effective coupler.

It is a solid no flex coupler and aligns easily.

It is also one piece and is easy to install. As easy as the aluminum models.

You will need 2 pieces m3x12mm bolts and 2 m3 nuts for this.

0.3mm layer height with 15% infill and 2 perimeter with a honeycomb infill works wonderfully.

Rectilinear infill works also but there is a slight