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But the first batch had long fabric ties. They were OK but never felt especially secure, and they were nearly impossible to adjust without fully untying and retying the mask. For the second wave, she found some elastic to make ear loops, like on a surgical mask, but the elastic was thick and stiff, so what might be a perfectly sized ear loop for one person's ears didn't work on another.  … [Read more...] about Making 3D printed face shields, mask accessories and other coronavirus tools

Sarah Tew/CNET If you're set on a resin printer, this is the best 3D printer for you. Resin printers are the next step up in rapid prototyping design technology when you want your printing to look as high quality as anything assembled in a factory. Just be warned: The liquid resin is harder to work with, and it requires both good ventilation and a portable UV light to properly cue. This model is extremely popular with board game hobbyists who want to print pro-looking miniatures, and sometimes you'll see it fall in price from around $250 to just under $200.  … [Read more...] about Best 3D printers for 2021