Wood Stairs - Construction Element 14 Low-poly 3D model is available on CGTrader for $8. Original author: 3DHaupt. Specs: 4300 polys, 4300 verts.
BLEND (Blender, filesize: 56.4 MB), OBJ (OBJ, filesize: 452 KB), FBX (Autodesk FBX, filesize: 936 KB), DAE (Collada, filesize: 1.67 MB), 3DS (3D Studio, filesize: 195 KB), OTHER (Other, filesize: 2.31 MB), STL (Stereolithography, filesize: 1.62 MB), DXF (DXF, filesize: 1.15 MB), ABC (Alembic, filesize: 352 KB)