说明：  3D逆向建模用的点云，特M的之前找个点云，其他平台下载个数据还要花一堆各种币，太抠门了，分享给大家，随便用。
(Point cloud for 3D reverse modeling, find a point cloud before TM, and other platforms need to spend a lot of money to download data. It's too stingy, share it with you, and use it casually.)