BigBox Dual X-Carriage

Note: This is incomplete and untested - I am yet to finish designing the left motor/idler part and a suitable print fan. Please post comments / suggestions.

This is a work in progress of a dual x-carriage system for the BigBox 3D printer. I will add some photos of the assembled parts shortly. Once I have finalised an initial version I will add the source files.

You will need some additional hardware:

GT2 belts
1x 20-tooth pulley
2x F-604-ZZ bearings
1x Stepper driver
1x Stepper mo