Fractal Pyramid with Continuous Cross-section
by ricktu, published
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No supports. No bridging. No retractions.
It has the astonishing property that the horizontal cross sections are simply connected and change continuously with height, so can be printed perfectly with spiral mode (or single-walled without infill).
This fractal is half of the octahedron flake (or Sierpinski octahedron). Every triangular face is a Sierpinski triangle, and the base of the pyramid is (approximately) a space-filling curve called the Sierpiński curve. Figures like the Vicsek fractal also exist in this model.
Printed with the "spiralize the outer counter" option in Cura .
The original scale is to match the limit of a 0.4mm nozzle..
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Fractal Pyramid with Continuous Cross-section by ricktu is licensed under the Creative Commons - Attribution license.
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