Google SketchUp Pro 7 is powerful, intuitive 3D modeling software that allows designers and planners to explore, communicate and present complex design concepts. The simple, robust toolset and intelligent drawing system make it easy to create and modify models, while the import/export capability gives you the flexibility and functionality required in a professional workflow.
And now, with SketchUp Pro's LayOut feature, you can integrate 3D models with 2D elements like photographs, artwork, text, title blocks even handwritten notes & to create compelling interactive presentations. LayOut also enables you to output large-format, high-resolution documents. In a single program, SketchUp Pro 6 combines high-quality 2D design tools with the ability to manipulate dimensionally accurate 3D models with CAD-like precision and scale.
Personal Note: SketchUp Pro is the easiest and Simplest 3D software available in the market today