ArtMesh software automatically generates quadrilateral surface meshes. Initial data for meshing is triangulated surface mesh (STL). In other words, ArtMesh converts triangular facet into quadrilateral. Hard edges of initial mesh are saved into the final mesh. Download Latest free trial version 3.4.558 artmesh_3.4.558_win64.zip artmesh_3.4.558_win32.zip Documentation ArtMesh User Manual Full & Free