Coil winder (cheap, automatic, relay controlled )

Added a few new file.
Stronger ball bearing stand.
Wire controller base made space for spring inside pushing nuts.
Different shaped wire controller bits.
New, stronger drive gears


Electrical diagram uploaded and 3D!

2 parts is used from someone else https://www.thingiverse.com/thing:2847880

Small gear compatible with https://www.thingiverse.com/thing:3085918
otherwise use any metric gear.

Mechanical materials:

1x8mmx100mm bolt+5 nuts
1x6mmx85mm bolt+2 nuts
1x4mmx35mm bolt+1 nut
4x3mmx20mm bolts+4 nuts
2x3mmx25mm bolts+2 nuts
2x3mmx30mm bolts+2 nuts
A few 3mm screw depends on what material you use for base
2x608 ball bearings

Electrical materials:

Low voltage wire ~2 Amp 12 Volt
2x12V relay with 2 separate contact
4xend/limit shwitch 22mm
5x3.7V Lithium battery
2x2 battery holder
1x1 battery holder
1x4.5V or 6V DC motor