You can not buy software from this site but we can advise you of the best places to get your choice of CAD for Mac software.
The service is free and designed to clarify your choices when using an Apple Mac for CAD. Contact the appleCAD Team and a CAD expert will answer your questions. AutoCAD for Mac software - it’s AutoCAD, for the Mac, bringing robust 3D free-form design tools and powerful drafting capabilities to your platform of choice.It takes full advantage of the Mac OS X platform, with an intuitive, graphical user interface that makes it easy to bring your ideas to life.