by MarcusWolschon, published
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Blog entry by Ax0n:
pdf explaining the mechanics:
animation by Michael Huebler:
At Easterhegg last weekend I was introduced to this amazing lock (Master Lock 1500iD).
You can enter a combination of up, left, right and down -movements of ANY LENGTH to be your code.
This mechanism is basically a mechanical hash-function of the movements you do.
This is a simplified demonstration-model to illustrate the code-mechanics.
It contains neither the actual locking nor the reset-mechanism nor the mechanism to set your own combination.
I just finished the design and did not print it yet. But I made sure it is printable.
Print 4 code-discs, one base-plate and one pin-plate.
Put them together as on the image.
You can see the code-discs turn as you slide the upper octaeder around.
Lift the octaeder to see the state of this machine.
Hint: mark one side of each code-weel with a pen.
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Speeddial -codelock by MarcusWolschon 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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