Check out Crab Wireframe 3D model on CGTrader for $2. High-quality mesh by zepte.
STL (Stereolithography, filesize: 2.98 MB), OBJ (OBJ, filesize: 1.89 MB), DAE (Collada, filesize: 800 Bytes), DXF (DXF, filesize: 2.49 MB), OTHER (Other, filesize: 1.41 MB), BLEND (Blender, filesize: 1.91 MB), MS3D (MilkShape 3D , filesize: 1.91 MB)