Although 3D printing technology has existed for some time, it’s only now beginning to cross over into mainstream awareness, thanks to increasingly affordable access to the printers themselves, as well as attention-grabbing headlines about 3D printed guns and life-saving medical applications . While less eye-catching, perhaps, the innovation is also powering a new class of creatives, who are using 3D printers to produce art instead. Their “handmade” goods, including jewelry, home decor, gifts and more, appear on sites like the marketplace for crafters, Etsy , and the 3D printing resource center and online shop, Shapeways .