Penners said:Sketchup (which is a 3D program) is free through Google (who've bought it). Download it from http://sketchup.google.com/.
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There is an Apple version. Strictly it's not freeware in the normal sense. Serif give away free old versions of their software, in the hope of attracting you to pay for the latest version. They write excellent software imho, and regularly receive Best Buy reviews in computer magazines.alice said:I'll look at the Serif app, but it will have to work on my Apple