A lattice arch is an architectural or structural form in which the curved shape of an arch is created using a network (lattice) of intersecting, usually slender, structural members rather than a solid or continuous surface.
STL (Stereolithography, filesize: 886 KB), OBJ (OBJ, filesize: 966 KB), MAX (Autodesk 3ds Max, filesize: 1.41 MB), 3DS (3D Studio, filesize: 92.7 KB), FBX (Autodesk FBX, filesize: 1.65 MB)