Amazon.co.jp: RepRap CNC M5 Medium Nut for DIY Aluminum Brackets, 0.8 x 0.8 inches (20 x 20 mm) Type : Industrial & Scientific
Amazon.com: STEPPERONLINE Stepper Motor Cable 4 Pack,1m Long XH2.54 4pin to 6pin NEMA 17 Extended Connector Cable for RepRap 3D Printer CNC Machines : Industrial & Scientific
3D Printer CNC Parts Linear Bearings for RepRap Prusa Mendel DIY CNC Motion, Prusa Mendel, Reprap Bearing (Pack of 4PCS) (8x15x24) : Amazon.ca: Industrial & Scientific