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The model includes one spare blade of the children's pinwheel, which was originally made of PVC foil and became brittle and broke over time. I printed the blade from PETG (only two layers), connected it at both ends with a metal coupling…
All about truncated tetrahedron can be fined at Wikipedia .
I first saw the puzzle in the Dresden Technische Sammlungen museum, specifically in the Erlebnisland Mathematik exhibit. The task was to build a "three-sided pyramid" (correctly speaking: tetrahedron) from identical bodies. It is…
Spheromino — sphere-packing puzzle segments Print these coloured segments and assemble them into a tetrahedron of 35 close-packed balls. It's an open puzzle about how spheres actually pack (FCC): fit the pieces so every ball has its…
Whenever we learn the shapes of molecules using the VSEPR method, the angles between the bonds in a tetrahedral molecule (e.g. methane, silane, sulfate anion, etc.) cannot be reliably estimated at first glance (for a triangle it can be…
The evil sorcerer is a replacement character from the board game Enchanted Tower. There is a space for a magnet at the bottom, the two-color print is made of PVB smoothed by IPA. Enchanted Tower ( Der verzauberte Turm in origin,…
The logo of Erlebnisland Mathematik at the Technical Collections Dresden (Technische Sammlungen Dresden) in Germany consists of a puzzle game made up of 13 different pieces. In reality, it is an isomorphic variant of the Trihex Puzzle :…
Components: 1 compact base board with 16 indentations (4×4 grid) 30 glass marbles (15 per player, not included) The goal is simple yet engaging - be the first to place your marble on top of the pyramid. Players take turns placing their…
The puzzle comes from the Erlebnisland Mathematik exhibition at the Technische Sammlungen Dresden. The task is to fit a three-dimensional figure consisting of a 5/4 cylinder through two square windows. The solution is in my video . EDIT:…
Welcome to the Kaleidocube , a fascinating intersection of topology, spatial geometry, and 3D printing! This project is an exploration of a reversible chain puzzle. It consists of 12 identical non-regular pyramids (tetrahedrons) connected…
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