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Plus One Puzzle

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  • 1k views
  • 4 likes
  • 4 downloads

3D model description

This is one of my favorite puzzles so far. You are given 8 blocks that must be placed in a box. They will fit and the box will be “totally filled.” Once you are done, slide the lid on the top to complete the puzzle. Your test subjects might feel pretty smart by knowing that they solved this puzzle within a few minutes. However, you have a surprise. Pull the extra piece from the lid and tell them to place it in the box. I’ve tested this puzzle with 20 people so far and the common response is “No Way!”. But yep, it can be done.

Build Instructions:
https://www.instructables.com/id/Plus-One-Puzzle/

This video shows the solution but doesn’t answer the why. Do you see a difference?
https://youtu.be/D8V0wRFAoz8

3D printing settings

You will need to glue the box pieces together.

  • 3D file format: STL
  • Publication date: 2018/02/02 at 23:09

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Creator

Designs 64
Downloads 3.3k
Sales US$19
Followers 53

I like to design and build random things.
See other projects here:
Instructables

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