Prusa MK3 Bowden for CTC i3 Pro B

This is a WIP part for my CTC i3 printer. It is a Bowden setup, using the Prusa MK3 parts as a base, but simplified, merged with a known-good part for my printer. I have removed a lot of screws, changed around some mounting pieces, etc.

My clone E3D extruder also has a different outside dimension for the heat sinks than the genuine article, so this has had a larger margin cut out to allow it to fit. Some parts have also been lengthened to allow for the difference in distance between where