Rank: Forum user 
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Hi all, Looking for some advice on 3D Printing and its associated hazards. We are looking to construct a room to house 3 no. 3D printers; the supplier says ventilation is not required due to using PLA filament which is non-hazardous? However, the printer manufacturer states that "good ventilation" is required? There seems to also be a growing opinion that LEV is required for 3D Printers; this could be good marketing by actual LEV suppliers?? If anyone has any experience then i would appreciate any advice you could give. Regards Gazbut
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Rank: Super forum user
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It depends on which filament you are using. PLA is essentially a polyester that is biodegradable and low hazard. We don’t take any special precautions if people are using it. Other filaments pose a more significant risk but tend to be used in those situations where you don’t want the final product to degrade. For example Acrylonitrile Butadiene Styrene (ABS) will, if heated give off possibly carcinogenic vapours.
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Rank: Forum user
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Originally Posted by: A Kurdziel  It depends on which filament you are using. PLA is essentially a polyester that is biodegradable and low hazard. We don’t take any special precautions if people are using it. Other filaments pose a more significant risk but tend to be used in those situations where you don’t want the final product to degrade. For example Acrylonitrile Butadiene Styrene (ABS) will, if heated give off possibly carcinogenic vapours. Thanks A Kurdziel, We will be restricting the filament to PLA so i am thinking general room ventilation will be adequate? With this in mind we have specified 15 room air changes per hour minimum. Cheers Gazbut
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Rank: New forum user
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