Autocad 2015 Free for download
AutoCAD 2015 new features:
Create stunning 2D and 3D designs in almost any form imaginable
Available for Windows 32-bit, Windows 64-bit, and Mac OS X
AutoCAD 2015 enables you to solve complex design problems most. Means of creating arbitrary shapes modeled by a variety of mechanisms and surface design evaluation time is greatly reduced, parametric drawings help to keep on hand all the necessary information . The idea of the project can be visualized in PDF, as well as in the implementation of the model, obtained by in 3D.