Mermaid marble Low-poly 3D model is available on CGTrader for $9. Original author: fabelar. Specs: 15000 polys, 7600 verts.
MAX (Autodesk 3ds Max, filesize: 100 MB), OBJ (OBJ, filesize: 33 MB), FBX (Autodesk FBX, filesize: 3.22 MB), TEXTURES (Textures, filesize: 30.9 MB), 3DS (3D Studio, filesize: 32.8 MB), ABC (Alembic, filesize: 33.1 MB), DXF (DXF, filesize: 33.4 MB), WRL (VRML, filesize: 33 MB), DAE (Collada, filesize: 33.4 MB)