40x20 Blower Mount Printrbot Fan Shroud

With this shroud, you can mount a 40mm x 20mm blower fan. This is a huge improvement over the stock fan. It can be used in conjunction with another fan shroud underneath. The blower tilts sideways to accommodate the 90 degree extruder configuration required when using the new and improved Printrbot Plastic Extruder.

This prints fast and uses little material. It should print without supports. The shroud I used is here http://www.thingiverse.com/thing:740810 as well as a spacer for smaller shr