Sixth Sense by Oskar_van_Deventer on Shapeways

Sixth Sense
Sixth Sense view in 3d

Description ShareThis (9) You rated this model Size 8, 18.54 mm inner diameter. This six-part puzzle ring is a design by Bram Cohen. Bram writes: "This six-banded design is a straightforward extension to the traditional four-banded design which somehow never occurred to anybody before me".
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White Strong & Flexible
$ 15.91 | (€ 12.21)

Summer Magenta Strong and Flexible
$ 19.85 | (€ 15.24)

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$ 15.91 (€ 12.21) ( Excl Vat )

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Comments

Oskar_van_Deventer (12 Jul 2009 19:58):

See YouTube clip at
http://www.youtube.com/watch?v=EdjWlmrYu1k
More info at Shapeways Forum
http://www.shapeways.com/forum/index.php?t=msg&th=1109&start=0&S=d5011dbedb9705a809887e6a3677f35a
Oskar

lgnakano (12 Feb 2010 01:32):

Not sure when Bram Cohen had the idea, but if it was after 1997, I know for a fact that the idea was not new.

Back in 1997, I bought two 7-band ring from Orb Silversmiths (we use them as wedding bands), and they had rings up to 17 bands, if I recall correctly. They seem to have gone out of business, but http://www.puzzlering.com/ has quite a few designs, although not the exact 7-band models we got.

Oskar_van_Deventer (23 Jul 2010 13:43):

Dear Ignakano,

The concept of puzzle rings is already very old. Bram's design is special because of its specific weaving pattern, which is quite different from the classic many-band weaving. Bram Cohen design is also significantly harder than the classic designs.

Oskar

$ 15.91 (€ 12.21) ( Excl Vat )

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available since 7 Jun 2009
1650 people viewed this product
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Size

Inch | Centimeter

Height	2.2 cm
Width	2.8 cm
Depth	2.7 cm

Tags

Puzzle Ring Mechanical Puzzle Jewlery

Categories:

Jewelry

Rings

Games

Puzzles


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Sixth Sense

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