Watch winder.

You need

• N20 motor (i used 100rpm 12v motor but run it at 3v).
• Switch
• Power supply
• m3 nuts and bolts
• 608 bearing (8x22x7mm)
• A smooth sided pet bottle (for the door window)

Instructions

Instructions coming soon.

Here are some images to start with…

Door (is optional)

Cut pet bottle

Flatten and attach to door

Cut to size

Remove screws, tidy up edges and add the lid. Screw the lid with windows sandwiched.

Drum

Insert ball bearing

Attach axel to drum

Motor coupler and backplate for drum

Add the other piece of the coupler to the motor shaft

Motor

The box

Add the back and front walls

Screw in place

Add the door