Cooling fan ducts for Monkeyfab Prime3D (Bullet)

Cooling system for [Monkeyfab Prime3D](http://3dwpraktyce.pl/prime3d/) printer. Designed for two, 40 mm fans. It greatly improves quality of printouts then good cooling is necessary (especially when printing models with bridges and overhangs).

It is designed to work with new Bullet hotend. If you have Budaschnozzle hotend, see the [previous version](http://www.thingiverse.com/thing:785131).

For test models see the http://www.thingiverse.com/thing:796956.

There is also an remix for