BCN3D Sigma Extruder

BCN3D Sigma Extruder

thingiverse

Designed for BCN3D Sigma printer. Not tested if it fit the Sigmax printer. The original design has a flaw where the air from the hotend cooling fan also cool down the heatblock. This is fixed in this design. Also it use a 24v radial fan for part cooling and a fan shroud to guide the air to the print. This should aslo minimize cooling down the nozzle.

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