High precision Blu-ray 3D cameras are equipped with two sets of high resolution lenses with fixed focal length and high definition Blu-ray DLP projectors. The measurement accuracy is guaranteed by self-developed and internationally advanced three-dimensional imaging algorithms. The integrated operation unit can send point cloud, depth map and gray image directly to the upper computer. It can be widely used in three-dimensional scanning, physical modeling (dental model, shoe last, jewelry), reverse engineering, teaching and scientific research and other fields, providing SDK secondary development support library.