=Introduction= A winding machine or winder is a machine for wrapping string, twine, cord, thread, yarn, rope, wire, ribbon, tape, etc. onto a spool, bobbin, reel, etc.
=Challenges=
=Approaches= <youtube>kGyuscK9GaA</youtube>
=References= * [https://www.thingiverse.com/thing:2224185 Electric wool winder] * [https://www.thingiverse.com/thing:4790148 Motorized yarn winder] * [https://en.wikipedia.org/wiki/Winding_machine Wikipedia: Winding machine]