Modular Spindle Rod

thingiverse

The end of the Spindle is 20mm diameter and will snap into the top of the arm. Print as many middle pieces and pins as you like and glue them all together. No supports required on any of these models. The Arm is held onto the 2020 extrusion via 4M or 5M bolt and hammer head nut. There are 2 versions available for the Arm. one bolts in from the side... not recommended as you have to figure out how to get the nuts in line. V3 bolts in from the top and should be fine. (image may vary from actual model)