Easy-to-print Penrose Triangles
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Several versions of the Penrose Triangle illusion designed to be specially easy to print.
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Model information
- Source
- Printables
- Category
- Math
- License
- Creative Commons — Attribution — Noncommercial
Several versions of the Penrose Triangle illusion designed to be specially easy to print.
I provide many examples and the OpenScad script used to make them.
The Penrose Cubes variant is a classic optical illusion. Under the right light conditions, the cubes appear to float and move counter-intuitively (use the STL preview to understand the parallax efect moving the model back and forth just a bit).
The Hex Wavy versions are my favorite and look gorgeous as a necklace or as a desk decoration. Highly recommended! To create them, I've just took the Square Wavy version (which is way easier to understand) and squeezed it along the main diagonal of the corner cubes. Then I joined two of these squeezed versions to get an (regular) hexagonal profile that it's WAY easier to print than anything else. Fun fact: the new corners are just Rhombic Dodecahedrons!
The Straight versions are just easier to parse for most people and may produce better shadows than the Hex Wavy versions. Unfortunately, the look worse unless you use a very thin layer height or you print them at an angle.