Models Elegoo Saturn 3D printer partial 17 241 0 NEMA 17 stepper motor PL42H48 (42 mm) 15 754 4 Hiwin MGWR12 linear rail 600mm 11 350 0 Hiwin HGR15 linear rail 600mm 44 1841 1 Hiwin MGW12 carriage 18 437 0 Hiwin HGW15 carriage 46 1163 2