Building a low cost Pickup Winding Machine

[ElectroWinder]

I like this one - he says it needs a continuous rotation servo, but for a short push, I think a normal one will do

STL files are here: https://github.com/tscha70/3DPrinter...arts_STL-Files

[hozone]

I indeed was thinking about something like this: https://www.thingiverse.com/thing:2987762
First thing first is the accuracy and the minimum step distance travelled.

[ElectroWinder]

I indeed was thinking about something like this: https://www.thingiverse.com/thing:2987762
First thing first is the accuracy and the minimum step distance travelled.

"Slop" in the mechanism could be beneficial - more randomness built into the scatter winding

For more precision, there are steel rack and pinion parts on aliexpress - steel would be about £4.50 for the rack and pinion - molded plastic is also available, and would be more precision than 3D printed

The other option is standard lead screw and nut with motor coupling - even cheaper would be threaded rod as used in cheap 3D printers