A cheap and dirty focus or zoom motor for timelapse or video. Can be built for about €10. Due to the 3D printed gears there is some slop (backlash).
Uses bipolar stepper so with the correct cable, is compatible with a variety of MOCO systems.
135g
1xM4x20mm Hex head bolt with nut
1xM5x50mm Hex head bolt
5xM3x6mm bolts
4xM2x6mm self tapping screws
Bevel geers adapted from this model by The Two Dimensions
Drive gear created with this tool by SlowMaker and then adapted.
The author marked this model as their own original creation.