Thingiverse

Impossible Object! Triangle + Circle + Square Puzzle

by AndrewSink

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3D puzzle circle impossible object puzzle square triangle 3D puzzle circle impossible object puzzle square triangle

Check out my [Amazon Page](https://www.amazon.com/shop/andrewsink) to see what kind of gear I use to make these models!

A classic engineering challenge! Check out the video: https://www.youtube.com/watch?v=zMFU4UBBn2I

One object can pass effortlessly through a triangle, circle, and a square hole. Also doubles as a printer calibration test!

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Thingiverse

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