Fan Duct for Prusa Mendel Longboat
thingiverse
I have a Prusa Mendel Longboat. It has an aluminium X carriage and J head nozzle hot end. I couldn’t find a duct that would fit so here’s my version to fit the Longboat. If accommodates a 40mm x 40mm fan and will clamp on to the edge of the aluminium plate. I’ve also designed a MOSFET controller to control the fan using a Sanguinololu with Sprinter firmware. Schematics, instructions and firmware modifications to follow. UPDATE: See http://www.thingiverse.com/thing:22202 Instructions I printed it with a 0.5mm nozzle and 0.3mm slices in Slic3r. I did have to add some support structure manually as I can’t seam to get Slic3r’s support material to work. I’ve included stl’s both with and without supporting structures. You’ll need 6 nuts and screws, 2 M3 and the others to fit your fans mounting holes.
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