Dave's Upgraded E3Dv6 Fan Duct
thingiverse
I have been using the E3Dv6 hotend for my printer with increasing frequency. Printing ABS requires significant cooling power from this hotend, but standard configurations can suffer from leaks due to uneven duct airflow around the printer body, especially during longer prints. However, one cannot rely on stock configurations for ducts of this design; the standard fan enclosure fails miserably to properly minimize these drafts. The search online brought up a simple design found at Thing #375419, courtesy of user rmoncello, offering great potential with just some small issues which arose once it had been tried.
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