![]() Even though most of these basic patents have already expired, some of them (most importantly the ones owned by Stratasys) are either still active, or have just recently expired. And cheap, easy-to-build 3D printers quickly started to be developed. It was only after these key patents expired in 2009 (20 years after application) that the RepRap movement started. It’s pretty crazy when you look at the sketches from 1980s-1990s and realize just how much some of the current 3D printers are similar to them. Companies like Stratasys, Zcorp or 3D Systems have patented nearly every 3D printing technology you can think of. There is no doubt that the rise of consumer 3D printers was delayed by patents. There are two factors here – price and patents. Why aren’t all the printers on the market enclosed by default? If you own the MMU2S, we created a modified version of the enclosure – check it out here. You might actually want to keep the enclosure open with, for example, PLA to ensure there’s enough cool air around the printer for the part cooling fan. However, if you’re not printing with ABS or other high-temperature filaments that suffer from warping, you won’t see much of a difference. Dust collection – The bearings and smooth rods will appreciate the reduced amount of dust that settles on your printer.Noise reduction – As if you needed the MK3 to be any quieter □ But another level of sound isolation can’t hurt, especially if you place the enclosure next to your work desk or in a living room.An enclosure will contain these fumes, and you can quickly vent them outside through an open window when the print finishes. Reduce and contain s mell – Some filaments ( looking at you, ABS!) can release unpleasant fumes during printing.Layer adhesion may also improve with higher ambient temps. ![]() Big differences in ambient and printing temperatures can lead to warping and shrinking of the printed object, especially when printing with ABS. An enclosure will keep the temperature stable and high.
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