New and improved 3-1 belt driven speed increaser for remote direct drive

Original creator description

I have updated this file. It now has increased spacing between the bearings to better make use of the 5mm shaft in the original listing. Other small updates to the design. You may need to print with supports. 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?... This hosted file keeps creator credit and license details.