Fraction Bars "Wiener Bruchrechentafel"
by bitcraftlab, published
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Educational Tool for teaching Fractions to the Blind.
- Original design dates back to 1910 or earlier.
- Idea to recreate the design for 3D-printing by Golan Levin.
- Discovery of original design and CAD model by Martin Schneider.
This is just a first quick draft. You probably need to adjust minimum thickness and gaps for this to work on your 3D printer.
I didn't have the opportunity to 3d print this, yet. In case you do, please let me know how it worked out!
- 3D printing-friendly layout in bars-only mode
- Allow for hollow frame + bars
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Fraction Bars "Wiener Bruchrechentafel" by bitcraftlab is licensed under the Creative Commons - Attribution - Share Alike license.
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- You must attribute (give credit) to the creator of this Thing.
- You must distribute Remixes under the same license as the original.
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- Commercial use is allowed.
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