Greg Blonder's hinged triangle-to-square ottoman,
following Henry Dudeney's hinging of the 4-piece dissection,
as discussed in Hinged Dissections: Swinging & Twisting, by Greg N. Frederickson:

In April 2004, Greg Blonder, of Genuine Ideas, LLC, in Summit, New Jersey, announced that he had posted an ottoman prototype on his Talus furniture website. What a lovely embodiment of Henry Dudeney's hinging of the 4-piece triangle-to-square dissection!

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Copyright 2004, Greg N. Frederickson.
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Last updated April 25, 2004.