LITIO 2.0 is a sheet metal add-on for AutoCAD, GStarCAD, ZwCAD & BricsCAD [and cadmate] that calculates and draws the flat sheet development of ducts, rectangle-to-round transitions, cylinders, cones, pipe intersections, connections, Ys, elbows, etc. LitioLAB 1.0 is an advanced, complex-shape, mathematical drawing tool for AutoCAD, GStarCAD and ZwCAD, that helps you draw complex shapes (either 2D curves, 3D curves or 3D surfaces), that are not available as standard commands within AutoCAD or GStarCAD or ZwCAD. Give your AutoCAD/GStarCAD/ZwCAD advanced drafting capabilities? Import XLS coordinate point data and draw them as CAD entities? Easily draw complex math shapes? LITIO 2.0 sheet metal for AutoCAD, GStarCAD, ZwCAD & BricsCAD [and cadmate]. Do you need to manufacture sheet metal parts and patterns?