Dassault Systèmes offers DraftSight, a professional 2D CAD software very similar to AutoCAD. Some older versions had portable configurations. Current versions require installation but are much lighter.
: Easily switch the direction of an arc by holding the Ctrl key. autocad 2014 portable google drive link
: Distributing or using "cracked" or portable versions of AutoCAD violates Autodesk's Terms of Service and intellectual property laws. Compatibility Dassault Systèmes offers DraftSight, a professional 2D CAD