Quantity   Component name
1 × Version 4 BOM see the link to the excel file: http://1drv.ms/1NIofNR
1 × 24V - 200 Watts (or more) Power supply
1 × Arduino due + Ramps+FD shield I use this until I have time to design my own shield
5 × suitable stepper motor driver I used TB6560 Stepper Motor Driver Boards