Autodesk Fusion 360 Portable New -

Export G-code directly to a USB to take your designs to a CNC machine or 3D printer.

Use Onshape for true browser-based portability, or install Fusion 360 properly on an external drive + Windows To Go if you absolutely must. autodesk fusion 360 portable new

For those dead set on a portable CAD environment, consider this using open-source software that is truly portable, then importing/exporting Fusion 360 files. Export G-code directly to a USB to take