Thingiverse
Wanhao Duplicator D9 Reworked Cooling Fan - Added Slot for upper cooling....(Uses Stock Port & 5015 Fan!)) by Bleugh
by Thingiverse
Last crawled date: 4 years, 6 months ago
Added a slot to divert some of the blower air over the top heatsink fan. This should make the thermal barrier in the hotend more effective for longer prints and help reduce jamming