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### Lehmer's Factor Stencils
### August 2021
### by Katherine E. Stange (http://math.katestange.net)
### I release this code into the public domain.
### Although I don't mind attribution. 
### Related YouTube video and project:  
###          https://www.youtube.com/watch?v=QzohwKT6TNA
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Running the file stencil-lehmer-final.py will create a large number of SVG files each of which is suitable for use with a paper cutter machine.

The SVG files are included in github for ease of use, but if you wish to modify, you can work from stencil-lehmer-final.py.

View the YouTube video for background:  https://www.youtube.com/watch?v=QzohwKT6TNA

The user guide in PDF form is here:  https://math.colorado.edu/~kstange/stencils/stencil-users-guide.pdf