Printrbot filament guide and fan mount
thingiverse
Printrbot filament guide and fan mount for a warm extruder stepper moter! I used this 4cm fan: http://www.dealextreme.com/p/cooling-fan-for-vga-video-display-card-4cm-4cm-15564 You have to drill the holes for the fan yourself - for perfect fan placement ;) Fillement 1,75cm
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