A simple Hourglass. Render made with photoview 360 on Solidworks. The blender file have only 3D model exported from solidworks.
STL (Stereolithography, filesize: 3.67 MB), SLDPRT (SolidWorks, filesize: 728 KB), BLEND (Blender, filesize: 5.16 MB), WRL (VRML, filesize: 2.97 MB), FBX (Autodesk FBX, filesize: 1.22 MB)