the freehand draw and extrude capabilities of sketchup are a dream come true for me! 🙂
still got to figure out how to render…aparently you have to use 3rd party renderers…most of which are not free…:(
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Here's a nice free renderer I've been using with my sketchup models http://my.opera.com/chaitanyak/blog/2009/10/13/global-illumination-in-sketchup