This page contains free "Hourglass CNC 3d Print High Relief Sand Casting 3D print model purchase", which is a work by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 96.9 MB), OBJ (OBJ, filesize: 170 MB), FBX (Autodesk FBX, filesize: 61.3 MB)