OctaBall #3 Puzzle
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A four piece puzzle
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Model information
- Source
- Printables
- Category
- Puzzles & Brain-teasers
- License
- Creative Commons — Attribution — Noncommercial
Four pieces assemble into an “OctaBall”, my name for an Octahedron intersected with a sphere. Assembly is surprisingly difficult. The pieces have no symmetry and appear warped or tilted. It is remarkable that they can assemble into a symmetrical shape.
WARNING: Assembly is challenging, you may even conclude that it is impossible! It is impossible if you add one piece at a time, but how else can you accomplish it? If your printer is not accurate enough the pieces may not fit together.
Taking them apart can also be tricky, there are at least two ways to do it. One technique requires careful observation and good grip strength. OctaBalls are more difficult when all the pieces are the same color; I use 4 colors for these.
This version uses four pieces, all different. The offset is 0.07 mm. Print one copy of each piece.