"Gunnozzle" 3D printer extrusion fan nozzle (print cooler) for Prusa I3 designs etc and mk8 mk9 etc. extruder . Design has built in scaffold

Description

This Is An Air Nozzle To Direct Air Onto Freshly Extruded Layer Of Print . The Fan That You Will Need To Get For Use With This Nozzle Is A 40 Mm Fan. For The Prusa I3 Etc. And Mk8 Extruders . This Has Stl For Your Own Slicing Or G.Code To Use For Printing The Gcode Is For Those Who Have The Usual .4Mm Extruder Nozzle.& For Pla One Thing , Clearances Are Tight , So Just Make Sure The Extruder Nozzle Is Lower Than The Bottom Of The Gunnozzle So As Not To Bottom Out The Gunnozzle Against The Bed . But Should Be Fine . For Fan , Use #4 X 5/8" Pan Head Sheet Metal Screws. The Gunnozzle Should Attach To The Heatsink & Fan With 3Mmx45Mm Phillips Pan Head Screws .

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