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add key bitting cutting code, add picture, and update README

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Eric Van Albert
2017-06-09 22:09:55 -04:00
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README.md
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# keygen
OpenSCAD tools for generating physical keys
Tools for generating physical keys.
![152698](doc/key.png "Key in OpenSCAD")
## How it Works
1. Get some nice pictures of the side and tip of your key.
I recommend a flatbed scanner.
2. Trace the key outline, warding, and embossing in Inkscape
3. Use the provided Inkscape plugin to convert the paths to OpenSCAD polygons.
4. Look up online the various parameters of your key, such as plug diameter,
cut depths and locations.
5. Use the provided OpenSCAD functions `key_code_to_heights`,
`key_blank` and `key_bitting` to generate a 3D model of your key.
6. Send the key to be 3D printed.