Telescope Motor Drive using 28BYJ-48
This is a motor plate allowing the 28BYJ-48 to be mounted and connected to some equatorial mounts which have a "swing away" motor. An example is the Stellarvue M4.
The spur gear on the motor is from https://www.thingiverse.com/thing:2610850
A large transfer gear is also required on the equatorial mount's worm shaft - https://www.thingiverse.com/thing:2910620