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Pnp-3 is the first member of the P.N.P. family designed as Pucks with a prime number of pieces.
This is part of a series of 5 twistypuzzles, which are based on the well known Puck mechanism, with a slightly modified form. Their most important change to the traditional Puck is to use an odd number of pieces in their configuration, or more precise: a prime number.
For the designer this model is perhaps the most interesting of all the models in the family.
From the point of view of the challenge that this design represents, it is the one that is furthest away from the normally established concept of Puck although not difficult to design.
About playability, the designer rates it with level 0, or even -3 because of its triviality. But ever since he built the Trapen-Kryst model (see the separate entry) one goal was to make a puzzle easier to solve than its predecessors. After that the designer was looking at various biaxes that also have an axis for 180 degree rotations and another for 120 degree rotations, among others the “Weird Cube” model Oskar van Deventer.
In all of them any rotation pattern can be described as a binary sequence: After each half-turn on one axis, there are only two possibilities for the other axis: 120 and 240 degrees. And then again the half-turn, and another choice of 120-240.
The designer understands that each puzzle is a world and that its solving difficulty is related to many variables, but perhaps knowing what those variables are, knowing what is the essence that can be found underlying all of them can help to understand them better and thus help in the search for their resolution. Pnp-3 could be the simplest of the 120º and 180º group to which it belongs.
Piece type signature: PIII1m[T3/][]
Printed in PETG plastic
Diameter: 65 mm (outer rim)
Height: 25 mm
Weight: 32 grams
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Thank you to the following people for their assistance in helping collect the information on this page: francisco bedmar alvarez.
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Pnp-3
