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Does anyone have any patent drawing experience? I'm looking to do it on my own and I figure there's some decent software out there somewhere. Thanks.

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For 2d drawings- Draftsight. For 3d drawings- google sketchup. These two software are available for free to use.

You may refer to this link to understand the importance of patent drawings in a patent specification:http://www.invntree.com/blogs/patent-drawings-and-their-importance-in-a-patent-specification

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SolidWorks, Alibre and Sketchup etc can be used. Please visit this site for a similar discussion.

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