This is a dual hotend version of my bowden carriage: http://www.thingiverse.com/thing:112493
Check it for more detail.
Hotends are 30mm apart.
http://www.youtube.com/watch?v=NtFYCsed-1s&feature=c4-overview&list=UUhGTFyOeZanQUVr1PQcnSng
JXCarriageDual_fixed.stl | 828.7KB |