cupolator

Command line application that enables you to create wide range of domes, vaults, tubes or egg-like shapes from triangular desks. The arch is always in the shape of catenary that makes it possible to design and build extremely tough models or buildings suitable for underground/underwater architecture. The program has two outputs. The first is OBJ file you can import to 3D modelling software, such as Autocad or Blender. The second output is CSV file you can open in OOCalc or Excel and use as plans for actual construction. The application is written in Tcl and released under WTFPL.