Autocad 2012 Portable [updated]
Portable apps run in memory. They don't need hard drive access. The wireframe chamber was fully rendered now, spinning slowly in the void of the interface.
It introduced the ability to import 3D models from competitors like SolidWorks autocad 2012 portable
Unofficial "portable" versions found online often involve significant legal, security, and stability risks. Below is an overview of the AutoCAD 2012 release, why users seek portable versions, and the safer alternatives available today. The Status of AutoCAD 2012 Portable Portable apps run in memory
If you need a custom paper size:
The portable version of AutoCAD 2012 offers many of the same features as the installed version, including: why users seek portable versions