Google SketchUp is a free, easy-to-learn 3D-modeling program which allows you to build incredible 3D models in a fast and simple way. The program is designed with a few simple tools to let you create 3D models of houses, sheds, decks, home additions, woodworking projects, and even space ships. Besides, Google SketchUp allows you to add details, textures, and glass to your models, and design with dimensional accuracy. The latest version has been integrated with Google Maps too so that geo-tagging your creations is easier than ever.

However, SketchUp doesn't lack in functionality though despite its ease of use and includes all the usual collection of drawing and filling tools you'd expect, neatly accessible in the toolbar across the top of the screen. It has a complete tutorial in which you can learn how to use all its tools in no time. Thanks to its simple tools, you can create 3D models of buildings, cars or any other thing you can think of. Creating a geometric shape is very simple. If you're capable of create a 3D image of a building or monument of your city, this is the right application for you.