Quantity   Component name
2 × smooth rods Φ8, length: 380mm
2 × smooth rods Φ8, length: 352mm
1 × 8mm leadscrew nut.
4 × bulldog clips thick enough to clamp 15mm.
1 × thermistor compatible with Marlin electronics
120 × M5 in all lengths between 8 and 20mm (at max 120, probably less. I haven't counted them)
200 × M3 in all lengths between 10 and 50mm (at max 200, probably less. I haven't counted them)
6 × 3mm bore, gt2, timing idlers for 6mm belt width (20 teeth).
2 × 3mm bore, gt2, timing idlers for 6mm belt width (toothless) or four 623zz flanged bearings.
2 × 5mm, gt2, timing pulley for 6 mm belt width (20 teeth).
1 × 5x8mm flexible couplers.
12 × LM8UU linear bearings or 6 of them if you use the long variant LM8LUU
2 × smooth rods Φ8, length: 390mm
1 × 608ZZ bearing.
1 × extruder drive hobbed pulley MK8.
1 × 400 mm bowden (PTFE) tube.
1 × brass PTFE tube push-fit connector.
3 × end-stop microswitches.
1 × arduino MEGA (a small 8-bit, single-purpose computer).
1 × Four motor drivers.
3 × NEMA17 motors (minimum 20 Ncm torque).
1 × NEMA17 motor (75Ncm torque) (this is for extruder drive, direct; for a geared extruder drives 40Ncm should be enough)
1 × ramps shield.
2 × 20mm wide T-slot aluminium profile length: 250mm
1 × 500W 12V LED power supply unit.
1 × USB-A to USB-B cable
20 × 4pimN-4pinM cables for extension (enough, of sufficient length).
20 × 3pimN-3pinM cables for extension (enough, of sufficient length).
20 × 2pimN-2pinM cables for extension (enough, of sufficient length).
1 × RepRapDiscount smart controller.
1 × Spool of PETG filament.
1 × 20mm wide T-slot aluminium profile length: 133.97mm
1 × 2mm thick glass, size: 214mm x 214mm.
1 × 5mm thick wood size, size: 257.665mm x 214 mm.
1 × 12V pcb heating element, size: 214mm x 214mm.
2 × springs 0.8x6x20 (make sure the springs fit your bed screws; you need to go bigger, go!).
1 × 8mm leadscrew, length 300mm.