This is a fan mount/duct design for my modified printrbot extrusion mount. Standard 40mm fan mount -> designed to get the air right where I want it to remove heat from recently extruded filament faster while printing.
I have included the sketchup so you can modify it to fit your needs.
There are two other related components -> a modified x-axis carriage (thing:25472) and a modified extruder mount (thing:25471).
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