Autocad 2014 Portable Google Drive [better]
NanoCAD 5.0 (legacy) and NanoCAD 23 (modern) use the native .DWG format. The free version is not portable but is lightweight (200 MB install) and legally free for commercial use.
NanoCAD 5.0 (legacy) and NanoCAD 23 (modern) use the native .DWG format. The free version is not portable but is lightweight (200 MB install) and legally free for commercial use.