Quantity   Component name
1 × Arduino Mega 2560 the brains of the operation
1 × Ramps 1.4 popular 3d printer shield for arduino mega
4 × A4988 Stepper Motor Driver Carrier these plug in to the ramps boar and power the steppers
4 × Nema 17 stepper motors I used 0.9 degree steppers
3 × Home switchess optical or otherwise
1 × 3D printer hot end ebay is great, man
1 × 12V power supply Ths brings the power
6 × Graphite Rods with Ball Joints For model RC cars
1 × 8020 Aluminum Framing For structure while under development