Core slider: - Set of printed parts (idler_end requires support material, idler_shim is optional to align the pulley in the idler) - 1m 20x40mm OpenBuilds rail (20x60 / 20x80 / 40x40 should work, too) - OpenBuilds gantry set (- Universal OpenBuilds plate) (- 4pcs OpenBuilds wheel kits) (- 2pcs OpenBuilds spacers) (- 2pcs OpenBuilds eccentric spacers) (- 4pcs M5x25 screws (+nuts)) - 4pcs M5x20 screws - 2pcs M6x12 screws (a bit longer or shorter works, too) - 4pcs M3x25 screws - 2pcs M3x10 screws - A few M3 washers - About 35mm long 8mm rod - 2pcs 626 bearing - 2pcs 608 bearing - GT2-2M 6mm pulley, 20t, 5mm bore - GT2-2M 6mm pulley, 20t, 8mm bore - 214cm GT2-2M 6mm belt - NEMA17 stepper motor - Pololu-style stepper motor driver Aliexpress - Arduino Mega Amazon Aliexpress - Touchscreen shield Adafruit Aliexpress - Click encoder - Mini breadboard - 2pcs 10k resistors - A few jumper wires - A few M3 threaded inserts Battery mount: - 4pcs t-slot nuts - 4pcs M5x10 screws - 2pcs 2.6mm plugs - Matching battery Also required: - Some way to mount the slider to a tripod