Looking for Stair 1 staircase with metal railings? Get this 3D model from cgdm via CGTrader for $10. Technical specs: 2191 polygons, 2738 vertices.
STL (Stereolithography, filesize: 66.8 MB), OBJ (OBJ, filesize: 66.8 MB), MAX (Autodesk 3ds Max, filesize: 134 MB), FBX (Autodesk FBX, filesize: 66.8 MB), C4D (Cinema 4D, filesize: 66.8 MB), 3DS (3D Studio, filesize: 66.8 MB), LWO (Lightwave, filesize: 66.8 MB)