Knot Cube Revisited - Will you build this knotty puzzle on with your own 3D printer? @OskarPuzzle

OskarPuzzle | Knot Cube Revisited - Will you build this knotty puzzle on with your own 3D printer? @OskarPuzzle | Uploaded November 2021 | Updated October 2024, 1 week ago.
More OskarPuzzle at youtube.com/OskarPuzzle?sub_confirmation=1. Print it yourself at https://oskarvandeventer.nl/Print-It-Yourself/. Buy at shapeways.com/product/UKXHMLW47/knot-cube. Knot Cube are eight cubes connected by corner hinges, made of nylon "fishing" wire. The object is to make a 2x2x2 cube and various other shapes. The puzzle is surprisingly complicated because of the special wiring pattern. Each cubie is assembled from two identical parts. The corner hinges are made from a thin piece of nylon with little knots at both ends. The knots are sunk into the holes in the cube edges, and glued in place with transparent two-component epoxy glue. This assures a strong shape fit.

Copyright (c) 2021, M. Oskar van Deventer.

Frequently Asked Question: http://oskarvandeventer.nl/FAQ.html
Buy mass-produced Oskar puzzles at puzzlemaster.ca/browse/inventors/oskar (USA, CA) and sloyd.fi/oskar-deventer-c-151_154.html (EU)
Buy exclusive 3D-printed Oskar puzzles at shapeways.com/shops/oskarpuzzles and https://i.materialise.com/shop/designer/oskarpuzzle

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$Fractional Gears - How can a gear have half-fold rotational symmetry? Print it yourself at https://oskarvandeventer.nl/Print-It-Yourself/. Buy at https://i.materialise.com/en/shop/item/fractional-gears or at https://www.shapeways.com/product/AC524R66H/fractional-gears Fractional Gears is a gear set that features a gear with half-fold rotational symmetry. A gear with 180-degrees symmetry is said to have two-fold rotational symmetry. The green egg-shaped gear has 360-degrees one-fold symmetry. For a 360-degrees turn of the green egg-shaped gear, the smaller red gear rotates by 720 degrees. Following the earlier naming logic, this gear has half-fold rotational symmetry. In order to make the cardioid-like gearing, the red gear has two layers. The teeth pattern continues from the bottom layer to the top and back to the bottom. In order to fit the bigger red bottom, the green gear has a cut out to make things fit. Copyright (c) 2023, M. Oskar van Deventer. Frequently Asked Question: http://oskarvandeventer.nl/FAQ.html Buy mass-produced Oskar puzzles at https://www.puzzlemaster.ca/browse/inventors/oskar/ (USA, CA) and http://www.sloyd.fi/oskar-deventer-c-151_154.html (EU) Buy exclusive 3D-printed Oskar puzzles at http://shapeways.com/shops/oskarpuzzles and https://i.materialise.com/shop/designer/oskarpuzzle$