After Autoleveling, Some cylinder to support the Z screws rotating normaly, and a spool holder on the back i've made now a small switch holder,
http://www.thingiverse.com/thing:414857

Now i'm kinda looking for a 40-50mm fan duct that supports the makerfarm gregs extruder with the auto leveling, might design one myself once i have more time.

Owye i also added a new Y stepper motor holder, as the old one wasnt very straight, at all.