Quantity   Component name
1 × PC Running Linux or DOS, must have parallel port
3 × Stepper motors Either normal motors with high torque, or geared stepper motors
2 × Stepper motor brackets
2 × Fishing lines 2-3 m long each
2 × Broom handle piece Broom handle pieces :) are used as a sort of a spool for fishing line winding and unwinding
1 × Plywood board Used to cut various support pieces
1 × Control board for stepper motors This includes 12 control signals for 3 motors, and actual motor coil drivers
1 × Various screws Wood and machine screws for mounting the motors, plywood machine pieces, etc.