Wanhao GR 1 is an extension of the popular D7 Plus 3D printer with a more open metal casing. Best resin 3D printer for the dental and jewelry industry. It has a slightly larger footprint and an extremely high resolution of 0.048mm in a 140×78.84x180mm footprint. The height of each layer can vary from 10 to 200 microns (0.01-0.2 mm). The peculiarity of this device is that it is prepared for industrial use with a double Z-axis guide, in addition, the mechanics have been optimized and the use of the device has been further simplified.