The free version of SketchUp is available for personal, non-commercial use only. System requirements call for Mac OS X, G4/400MHz or faster 128MB RAM 80MB hard disk drive space QuickTime 5.0 or later and Web browser for multimedia tutorials and OpenGL-compliant video card. You can push and pull on 3D objects until you’ve got the right shape experiment with color and texture use real-time shadowcasting and even use a library of pre-drawn components to save time.
Used by landscape designers, architects and others, SketchUp can be used to create and visualize 3D ideas. Following the acquisition Google released a free version of SketchUp, but only for Windows users. Google acquired Software, makers of the 3D sketching program SketchUp.