NanoCAD is built on the .dwg format, meaning it offers native compatibility with the industry standard. If you are an architect or engineer sent a .dwg file from a client using AutoCAD, you can open it, edit it, and save it without conversion headaches.
NanoCAD Price Guide: Choosing the Best Licensing for Your Projects nano cad price
A legacy version of the software remains completely free for non-commercial use, though it only supports DWG formats up to the 2013 version. NanoCAD is built on the
This competes with AutoCAD Full (3D modeling). you can open it