It’s an especially good idea to have an enclosed chamber if you are printing with acrylonitrile butadiene styrene, or ABS-one of the two most popular printing materials-which is more prone to warping because it shrinks when it cools. Enclosed printing chamber: Enclosing the print space keeps prints at a consistent temperature to prevent warping and other printing imperfections.PLA also has a sweet, inoffensive smell-still, it’s best for both children and adults to use a 3D printer in a well-ventilated room. While melting any type of plastic releases volatile organic compounds and other particulates into the air, the CDC considers PLA to be safer (PDF). Printers should also be able to print in polylactic acid, or PLA, plastic. A quiet printer is much easier to live with. Although some printers are marginally faster than others, large prints can take days even small prints take hours. Ideally, it isn’t too big or heavy, and it’s relatively quiet so you can’t hear it from every corner of the house.
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