PBR textures, Roughness/Metalness workflow.
4096x4096 (Albedo, Normal, Metalness, Roughness)
The geometry is smoothable. The poly count of one ball is 4896 faces in unsmoothed and 19584 faces with one smooth iteration.
Real world size (system units - cm)
File formats: fbxmbobjtbscenejpg
OBJ (OBJ, filesize: 1.13 MB), FBX (Autodesk FBX, filesize: 291 KB), MA (Autodesk Maya, filesize: 724 KB), TBSCENE (Marmoset Toolbag, filesize: 6.73 MB)