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Published on Apr 8, 2012
Buy at http://www.shapeways.com/model/228523... Copyright (c) 2011, M. Oskar van Deventer. PlaySpirals is a construction toy, which can be used to build three-dimensional structures. PlaySpirals are a specially designed corkscrew-type of spirals. Two PlaySpirals can be put through each other at a straight 90-degrees angle. A third PlaySpiral can then be put through the first two.