Tactile Protractor (goniometer) for blind users (Brabo)

Description of the model

Protractor (or goniometer) which can be used by blind users because of the tactile elements.

assemble the pieces after printing with a bolt

Printing instructions and tips

A layer height of 0.2 mm should be good. you can add a color change at the right height to have contrasting colors.



Loading file
  • Fullscreen
  • Wireframe
  • Zoom In
  • Zoom Out
  • Rotation
  • Screenshot
  • 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.

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