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A Free Program I Can Use For Patent Drawings?

alxdott's Avatar

Hi all,

I'm an aspiring inventor submitting my first patent. I've reached the exciting stage where I need to create drawings and I want to use a CAD program.

The problem is two-fold: 1) I don't have any money to invest in a CAD program 2) There are so many free options available I don't know what's the easiest/best option specifically for patent type (mostly isometric) submissions to the USPTO.

Any assistance or guidance would be greatly appreciated... thanks!

-Alex

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phonepaal's Avatargold

Blender is the best free one.  It has more technical capability than other free programs,  thus it is less intuitive to use.  Lots of tutorials online and YouTube.

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rpontius's Avatarg8_badge

I highly recommend Autodesk Fusion 360 - *free* as long as you are a "startup" or "hobbyist" (meaning you are using it just for fun or making less than $100,000 with it). Fusion 360 includes parametric 3D modeling, rendering, drawings (incl. isometric), CAM and even engineering analysis:

https://www.autodesk.com/campaigns/fusion-360-f...

Robert Harker
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