3D RAD FREE DOWNLOAD 3D Rad is a collection of intelligent objects you can combine in virtual space to create interactive 3d worlds. What you get depends on the nature of the objects you add and the relationships you establish between them. The 3D Rad free download can be used freely for commercial and non commercial purposes. We kindly ask that you sumbit a valid email address to download the software. Thank You. Your email address will not be given to any third party and we will use it exclusively to notify you when the software updates and a new free download is available. Please type your e-mail address in the box above and the confirmation code in the box below.