Black Widow Heatsink Cooling Duct with Light and BLT Mk4
thingiverse
Black Widow Cooling Duct with Light and BLT Mk4 This revision of the cooling duct weighs less than its predecessors. A photo of the Mk3 model is shown, but a downloadable STL file for the Mk4 version is available here. Description updates are pending, once additional photos are obtained. The cooling duct maximizes heatsink cooling even when using low-powered fans. The BLTouch is positioned 45mm from the extruder's center, ensuring it clears the "Evolution" series of layer coolers and making it compatible with most other types of layer coolers. A 40mm fan should be used. For optimal results, employ a 24volt 3014 series LED as shown. Connect the LED to the same circuit as the fan; this will illuminate the extruder and signal when the hot-end is heated and the fan is operational. BLTouch offset: 32mm right 32mm forward A spacer for the BLT has been provided, accommodating "Volcano" heatblocks.
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