SketchUp is a free 3-D modeling program that you can use to design 3D models of things, such as a building, a new piece of furniture for your home, or other objects. When you design a model in SketchUp, it appears in a simple rendered output – which can show shadows colors and material textures, but does not process reflections light bulbs, etc.
Rendered SketchUp model showing lights and reflections.
To see your model as a high-resolution photo-realistic image, you will need to render it. to render from SketchUp you’ll need to download and install a rendering plugin. See the Plugins Page for information on some rendering plugins which you can use to render your SketchUp model.