Quantity   Component name
2 × NEMA 14 Stepper Motor X, Y, and Extruder drive motors
2 × NEMA 8 Stepper Motor Z- axis Drive motors
3 × Sparkfun ROB-09454 IR distance sensor for end stops
2 × Lower Motor Mount <a target="_blank" rel="noopener noreferrer" href="https://www.shapeways.com/model/2069980/motor-mount-v1.html?modelId=2069980&amp;materialId=6">https://www.shapeways.com/model/2069980/motor-mount-v1.html?modelId=2069980&amp;materialId=6</a>
8 × M3x1.00 10mm Lg Socket Cap Screw Mcmaster: 91239A115
8 × M2x1.00 10mm Lg Socket Cap Screw Mcmaster: 91239A706
2 × Anti-Backlash compression spring Mcmaster: 9657K306
4 × Brass 1/4-20 UNC Hex Nut Mcmaster: 92676A029
4 × X / Y Drive Axis Spindle Bearings Mcmaster: 638K17
8 × #2-56 x 0.13 Lg Socket Head Scr Mcmaster: 91251A072
4 × Z-Axis Linear Bushings Mcmaster: 6294K412
2 × X / Y Square Drive Top Bearing Mcmaster: 60355K861
2 × Z-Axis Lead Screw Top Support Bearing Mcmaster: 57155K376