Printrbot Fan Bracket & Duct
thingiverse
A Printrbot 3D printer's mounting bracket accommodates a 40mm fan with an integrated duct, directing cooling airflow towards the extruder tip. The bracket is installed between the extruder and carriage on a Printrbot LC Plus. A recommended 40x40x10mm DC fan for use with the Printrboard can be purchased from various stores like RadioShack, Amazon, DigiKey, Mouser, or Fry's. To install, align the studs on the bracket with the fan screw holes and secure using CA glue. Seal any gaps with RTV silicone to prevent air leakage. Ensure proper polarity when connecting to the Printrboard by testing the fan direction with a post-it note.
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