Quantity   Component name
1 × Linear Actuator e.g. www.ebay.de/itm/381697981592
1 × 10-turn Potentiometer e.g. www.ebay.de/itm/262493656049
1 × 2mm alignment pin The axle for the gear
1 × 3d-printed Case Print the 3 parts of the case
1 × Gears Lasercut / 3d-print the gears, epoxy where necessary
1 × 3-wire cable Connect the wires to the three terminals of the potentiometer