"common-sense can go a long way. 3D printers are cool, but don’t breathe the fumes..."
Indeed.
The classic "Use in a well ventilated area" is put on stuff for a reason.
People should be aware it's the size of particles from some Diesel exhausts that makes them dangerous, just as Asbestos is. In big lumps, not so much.
Likewise a big lump of plastic may only be a hazard if it falls on you. But in particles you could snort up without realizing it?
Biting the hand that feeds IT
