My low-cost DIY RA drive for EQ5 mount - DIY Astronomer - Stargazers Lounge
Raspberry Pi Stepper Motor Control with NEMA 17 — Maker Portal
Designed and printed a custom-fit NEMA14 stepper motor mount to automatically focus my telescope. Printed using PETG, Fusion 360, and an Ender 3 with Mosquito hot end. : r/functionalprint