$4.99 HippoII Low Poligonal Low-poly 3D model by zepte. Available on CGTrader. Geometry: Polygon mesh. Check it out on CGHub.
STL (Stereolithography, filesize: 58.7 KB), OBJ (OBJ, filesize: 28.7 KB), BLEND (Blender, filesize: 28.3 KB), DXF (DXF, filesize: 34.3 KB), MS3D (MilkShape 3D , filesize: 28.3 KB), DAE (Collada, filesize: 25 KB)