Remember this awesome printer? @Colin_Faulkingham just won it…
https://plus.google.com/116929761324979665150/posts/TpvM52QnaoM
We have a bukobot like that in the shop. It’s a single platform with two nozzles mounted 100mm apart, giving a build area of 100x200mm for each. We use a hacked version of Marlin to run both extruders in tandem while each has its own PID temperature control.