Dual J Head Carriage for Mendel

This is an x carriage for Mendel and compatible printers that use a 50mm horizontal rod spacing and LM8UU bearings or equivalent bushings.
It is designed to use M4 hex head bolts and the aluminium mounting plates available from hotends.com for j heads from the same source.

It is pretty much the same size as a standard carriage and thus is designed as a drop-in replacement.

I have tried to make the design flexible and work with easily available hardware:

Any belt clamp with m3/m4 holes