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printrbot jr v2 cooling fan duct
Cools the print and also directs some air at the heat break to reduce upward heat travel and jams.3D printer parts and enhancements
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The duct end (barely) clears the build-platform adjustment nut when homing on my machine. If you're brave you could dive into the (really lousy) Openscad and make the duct a little lower and longer. But there's quite a bit of airflow even on the far side of the nozzle as it is.
Also, the end of the heat-break duct may need trimming unless your printer is really good at overhangs.
Materials and methods
- socket-head caps screws (already present)
- openscad recent version (with offsets)
- fan mount library from http://www.thingiverse.com/thing:18273
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