Fanduct for Geeetech Prusa i3 Pro B, single MK8 extruder, 40mm fan

New, hopefully better, version here: http://www.thingiverse.com/thing:2139318
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Fanduct for 40mm fan, made for Geeetech Prusa i3 Pro B. Designed to not interfere with the 3D Touch auto bed leveler.

NOTE! This fan duct only fits when the hotend is mounted as shown in the pictures.

The fan duct hangs on the side of the extruder stepper motor, attach however you like, with dubble sided tape or just let it hang if you get enough snug fit.
You have to make your own holes for the screws fo