Are 3D printing fumes dangerous?

IVOnoXx

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I'm thinking of buying a 3d printer soon to experiment with some micro-manufacturing, and I wanted to ask anyone with a bit of experience whether 3d printing fumes are indeed dangerous or not?
 

Entelechy

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This study found that materials used in 3D printing can sometimes emit styrene, which is carcinogenic. Sounds like being in a well-ventilated place is pretty important!
 

dolinot

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Yeah I think the effect would be limited unless you're taking in a lot of it though. Generally I don't think people are at risk, if you're doing industrial-scale 3d printing it would probably be as harmful as working around most kinds of large machines and chemicals.