Sheet Lightning the 3D CAD pattern unwrap software for duct, chute, flues,chimneys etc. Create and unfold sheet metal duct, structural steel and fabrication designs for manufacture. Includes a predefined parametric library.
Cone Layout is a program to unfold a frustum of a cone and generate a sheet cutting layout or flat pattern projection that can be rolled or bend up into a truncated cone shape. Either side of the truncated cone can be tilted.