Printrbot Simple Fan and Extruder Parts for 300mm Y Axis Upgrade with cooling

These are printable extruder parts for http://www.thingiverse.com/thing:242185 They can be used on the original direct drive laser cut wood extruder or to house the new ALU extruder and still have a fan, both allow you to update any simple with iamjonlawrence's Y axis upgrade. Part E1 is from http://www.thingiverse.com/thing:193668 and will allow the addition of a 30mm fan to cool your extruder.

Custom Bottom Plate coming soon.