The disclosed technology describes methods for the selection, design and production of custom-fit eyeglasses, using a 3D printer. Embodiments include an eye examination and biometric measurements of a patient. The data can be used to produce custom-fit eyeglass frames. Eyeglass selection is facilitated by the display of a selection of various frames in both digital and physical form. A 3D version of the patients head may be created from digital images, which can be used to produce a final version of the eyeglass frame. Lens dimensions may be traced and the trace used to modify the eyeglass frame. Half of an eyeglass frame may be generated, from which a mirror image is created, and a final frame produced from the resulting image. Also disclosed is an electronic device system which receives, processes and transmits data for the production of custom-fit eyeglass frames.