Koala Voxel 3D model is available on CGTrader for $2. Original author: zepte.
STL (Stereolithography, filesize: 607 KB), OBJ (OBJ, filesize: 168 KB), DAE (Collada, filesize: 151 KB), DXF (DXF, filesize: 154 KB), MS3D (MilkShape 3D , filesize: 86.4 KB), BLEND (Blender, filesize: 86.4 KB), OTHER (Other, filesize: 121 KB)