Pythagorean Cup

Description of the model

Model of the Pythagorean Cup. I recommend printing three variants:
1. classic model made of non-transparent material
2. Transparent material so that visually impaired pupils can follow the flow of water (tip: colour water with food colouring).
3. half model, so that blind pupils can feel the tubes

The model was published by ZRoblek under the CC licence. I have created half the model for tactile detection.

Printing instructions and tips

Infill of about 5% necessary. Support material is not necessary.



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  • Wireframe
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  • Rotation
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  • Help


  • Rotate with the left mouse button.
  • Zoom with the scroll button.
  • Adjust camera position with the right mouse button.
  • Double-click to enter the fullscreen mode.
  • On mobile devices swipe to rotate.
  • On mobile devices pinch two fingers together or apart to adjust zoom.
  • On mobile devices 3 finger horizontal swipe performs panning.

Additional Models

  • Pythagorean-cup-half.stl
  • Pythagorean-cup.stl