PLA is safe to print with, though it can release ultrafine particles and VOCs, making filtration or ventilation recommended. Also, PLA prints are safe to handle.
Is PLA Filament Safe To Print?
PLA is one of the safest filaments to print with; however, it still releases ultrafine particles and VOCs. Most of the VOCs released are harmless, but some brands of PLA are known to release Styrene, which is a known carcinogen.
It is recommend to use any household air cleaner when printing with PLA to capture the ultrafine particles.
Are PLA Prints Safe To Touch?
It is safe to handle 3D prints made from PLA and other filaments once they have cooled down.
Unlike filament, exercise caution when handling resin prints, since they could contain uncured resin.
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