nema 17 stepper adapter to replace the 101hero stock motors.
For installation guide, please visit https://101superhero.blogspot.com
2 April 2017 - Rebuild the adapter to improve the blending of the plate and the base. Also changed the orientation so that the structure of the plate is much stronger.
9 July 2017 - Widen the center hole for the NEMA 17 motor to 23mm
16 July 2017 - Rebuilt all the STL file to watertight