Small low volume fume extraction kit
Printing fire retardant abs gave of acrid fumes so small extraction device that did not overcool print required
Note this worked for me but is low volume air movement
Additional materials
40mm usb variable speed case extrator fan
25mm flexible conduit with gland and lock nut
4mm square thin nut x4
4mm 45mm Socket head screws x4
note the mounting holes for this fan were drilled out to 4mm
The author hasn't provided the model origin yet.