40mm Fan Duct - Stealth
Another pressure-fit duct to fit a 40mm fan to the Printrbot Jr. 1307.3D printer parts and enhancements
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Simply add your fan, run your wire (I did it through he little hole in the back of the extruder carriage) and push it on. It's designed to fit the bolts that are holding the plywood together.
Materials and methods
A couple screws to hold the fan to the duct.
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