Frames use interchangeable parts, snap together without tools.
An engineer's misfortune led to an 3D printing-based eyewear business, 3DPrint.com reports. The article says SpeX founder Chris Nieves first used a 3D printer to make glasses after he broke a pair, and the compliments he got for his creation encouraged him to go into business. Currently in the middle of a Kickstarter campaign, SpeX offers six frame styles in five different colors, with interchangeable parts that snap together without tools. Manufacturer EyeGlass People provides prescription lenses for the frames, which are made from urethane plastic.