Improved Printrbot Fan Duct
**UPDATE 2:** Version 7.1 has been uploaded and is shorter to accommodate correctly installed hotends. Hopefully the centering works universally, but I have no way to verify that, so you'll need to let me know how it works for you. According to my me...
Tags: cooling fan duct fan shroud printrbot printrbot fan shroud printrbot simple printrbot simple metal
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