Free Download Sketchup

Google Sketchup is a free, easy to learn and easy to make a 3d modeling, this program with a few simple tools to let you create 3D model like a houses, furniture, building, etc.

Sketchup

Google SketchUp is a free, easy-to-learn 3D-modeling program with a few simple tools to let you create 3D models of houses, sheds, decks, home additions, woodworking projects, and even space ships.