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Ultimaker 2 Coolboard Duct for Control Board Cooling
Designed for use with a 50mmx15mm blower
fan. This duct covers all of the front area of the sheetmetal
ventilation holes that cover the board and lines up with all of the OEM
mounting holes provided, no drilling required.
fan connecting to the J20 Jack ( Marked: Fan 19-24v ) port on the UM2's
control board. I will update this design once some additional testing has