Thingiverse

Impossible Object! Triangle + Circle + Square Puzzle

by AndrewSink

119 Downloads

156 Likes

0 Makes

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!

Source

Thingiverse

What you need to print this: Beginner Low confidence

Single piece

Supports 1/3

Assembly 0/3

Settings 1/3

Bed size 0/3

Post-process 0/3

Printer

FDM / FFF

File format

STL

Material

Software

Cura, PrusaSlicer, or similar

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Impossible Object! Triangle + Circle + Square Puzzle

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