The fumes needed to be extracted from as close to the extruder nozzle as possible (as this is the main source of the fumes). To do this, I designed a a special fume extractor nozzle which would get as close to the extruder nozzle as possible without interfering with a print.

The Nozzle

1″ flexible duct hose is sealed into the bottom of the nozzle with hot glue [not pictured above].

Nozzle Close-up

The print came out quite well for one of my early prints. It did not warp at all even though it is quite thick. This may have something to do with the fact it was printed on fresh polyimide film.

Nozzle mounted to the extruder

Above, the nozzle fits right into the black accessory mount, which was printed on a commercial 3D printer. This mount was designed for future add-ons, like an 80mm muffin fan or, in this case a fume extractor nozzle.