Check out cute turtle 3D model on CGTrader for $3. High-quality mesh by CRS3D.
OBJ (OBJ, filesize: 488 KB), BLEND (Blender, filesize: 42.7 MB), 3DS (3D Studio, filesize: 319 KB), DAE (Collada, filesize: 660 KB), FBX (Autodesk FBX, filesize: 597 KB), GLTF (glTF, filesize: 1.06 MB)