Even if you've never done any CAD work or 3D modeling before, you can pull together some really nice presentations in minutes. The interface makes it easy to get up to speed on the basics. Its SketchUp's free web-based version has plenty of power, but if you need additional functionality, you can buy SketchUp Pro - and pay a hefty price tag. Trimble has enhanced it and developed it further and now offers a slew of related products. In 2012, Google sold the product to Trimble.
SketchUp was originally developed by Google and was one of the greatest free CAD packages ever put on the market. Free feature is web-only with many important features hobbled.
