This is a 3d-model of the "Tennis ball 3D model buy" by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
SLDPRT (SolidWorks, filesize: 354 KB), STP (STEP, filesize: 135 KB), STL (Stereolithography, filesize: 676 KB)