A few years ago, I used Autodesk Inventor for several projects back in high school. Although Inventor is mainly used for mechanical and machine modeling, I found that it could be used for several other things as well, including:
Tetrisesque Puzzle Cubes!
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Cheap and worthless Desk Organizers!
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A Thermos!
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Golden Lego Bricks!
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Wooden Trains!
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