NEMA 17 Multiplier - Mount

Experimenting with a 1:3 stepper multiplier for my home made flex drive... I think this could be the solution for the limitations we put on our steppers while using the high gear ratios for flex drive systems...

This is a work in progress!

https://youtu.be/OVoQS61h9xQ

60T Pulley:
https://www.amazon.com/gp/product/B06WP6SX4W/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

20T Pulley:
https://www.amazon.com/dp/B01IMR6OR0/ref=cm_sw_r_cp_api_wmAuzbG0NGNHZ

75T Belt (150mm)
https://www.amazon.com/gp/product/B014QJQMJ8/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Coupler:
https://www.amazon.com/gp/product/B01913RU1S/ref=oh_aui_detailpage_o08_s00?ie=UTF8&psc=1

Bearing (2 for each multiplier):
https://www.amazon.com/gp/product/B00Y5W3JYS/ref=od_aui_detailpages00?ie=UTF8&psc=1

5mm Rod:
https://www.amazon.com/gp/product/B01MTKNWZB/ref=oh_aui_detailpage_o06_s01?ie=UTF8&psc=1

My steppers are set to 0.9A, 16th step StealthChop, 1.5mm retract @ 40mm/s...