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Penrose Triangle Impossible Object Optical Illusion

Creation quality: 5.0/5 (1 vote)
Evaluation of members on the printability, utility, level of detail, etc.


3D model description

The Penrose Triangle is the classic impossible object. This Optical illusion is designed to be viewed through the lens of a camera (although it does work if you close one eye.) This illusion prints fine without supports and is a fairly quick print.

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3D printing settings

  • Layer height: .2

  • Speed: 45mm/s

  • Supports: None

  • Skirt

Photographed printed with 20% Wood 80% PLA Filament with .6mm nozzle to prevent clogging. Nozzle temp 200, bed temp 55. Sanded with 60 grit and then 150 grit sandpaper only in one direction to give impression of wood grain. It also takes wood stain very well.

3D printer file information

  • Design number: 685686
  • 3D design format: STL Folder details Close
    • Penrose_triangle_full_scale.stl

    Learn more about the formats

  • 3D model size: X 139 × Y 148 × Z 103 mm
  • Last update: 2023-02-02 at 14:39
  • Publication date: 2022-04-06 at 12:44


CC BY-NC-ND - Attribution - Non commercial - No derivatives


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