UNTESTED!!!

Print with ABS or ASA if you can or if you don't have an enclosure PETG. (DO NOT USE PLA IN ANY CIRCUMSTANCE)
Used a standard dual gear extruder

Print this stl -MMM_E3D_Volcano_w-Duct_Mount.stl- from this website: https://www.thingiverse.com/thing:3393889/files
Remixed this to make the part colling fan https://www.thingiverse.com/thing:4375296