Polydrafters ( Wikipedia entry, Wolfram Mathworld entry ) are composed of 30/60/90 right triangles (like a draftsman's triangle, hence the name, coined by Ed Pegg.
Only one arrangement will work.Here is a 6 piece Step Pyramid.Cube Conundrum from House of Marbles Purchased at the Vermont Toy Museum in Quechee Gorge Village.Note the kite-shaped pieces resulting from a couple of squares being doubly-sliced.Several similar sets have been offered by other vendors as well.ODD - designed by Hirokazu Iwasawa Made by Eric Fuller from Bird's Eye Maple and Walnut Wandering Cubes - designed by Peter Gal Made by Eric Fuller from Carolina Ash and Canarywood Eight Pack - designed by Tom Jolly and issued by Philos Pack eight.See another solution to the Giant Pyramid, on Richard Whiting's site.Ed Pegg discussed the problem on his Math Games site.I don't have this, but I would really like to find one!I was able to purchase more on a vacation trip to the Great Smoky Mountains.N and K gave some challenge.
An advertising promo for McCracken Realty Inc of Phoenix.
Several examples have been produced: by John Devost, by Trevor Wood, a cheap monkeypod wood version available at, and a version by Trench Puzzles called The Troublesome Twenty-Seven with mahogany pieces and a flimsy plastic "box." I acquired the latter in an auction from the.
Almost every set has been produced in a variety of color combinations.
A packing puzzle with two trapped sliding shuttles.
I believe it is one of his "Ayers Rock" series.
The Colonel's Bouquet - designed by George Sicherman and made by Brian Menold from Honduras Rosewood Four hexacubes - combine any pair to make a symmetrical shape (each pair has a unique solution).You were to cut out the fish and the ring and then pack the fish inside the ring.There is no does oakley have gift cards formula known which will give the exact number of all possible pieces given a number of unit elements.The box can be packed only with the void in one particular position.Lighthouse Society members receive a 10/person discount.
IQ Twist from SmartGames, by Raf Peeters A series of challenges, each of which stipulates the placement of specific colored pegs in the board.