Sheet Lightning is a specialised engineering 2D/3D CAD System for creating and unfolding sheet metal designs for fabrication or manufacture. It handles cylinders, cones, square-to-round adapters, ovals, intersections and mutli-intersections.
Mesh Unfolder is a specialised engineering 3D CAD system for importing and unfolding sheet mesh designs for fabrication or manufacture. Meshes are imported from DXF, STL, OBJ and WAV files created in a CAD system such as Autocad.