Rotary Parts Tumbler / Ball Mill

BOM:
5mm MDF
3.4mm Chalkboard
1.5mm Clear Acrylic
3mm Pan head screws
3mm Nuts + Washers
12V DC Gear Head Motor ( I used a scrap printer motor )
12V PWM
15V Power Supply
4x 605ZZ Bearings
2X 3/8 Rod
1X 3/8 Lock Nut
2X 3/8 Nuts
50MM O Ring For Belt ( in my case )
Power Switch
Tubing or O Rings for Rod Grip

The only files not included are the laser cut pulleys, as they are my motor specific you will need to buy, design your own to fit your motor.

I standard "Folgers" 12oz Cof