Magic Dovetails

This CAD model was designed by Oskar van Deventer, copyright (c), 7 December 2025.

Magic Dovetails was inspired by work on impossible dovetails by Peter Knoppers and Rogier Wolf. The puzzle has eight pieces with dovetails. The goal is to build a cube. It looks impossible, but it is quite doable, once you understand the concept.

The puzzles uses 14 cylinder magnets with 3-mm diameter and 2-mm thickness: https://www.supermagnete.de/eng/disc-magnets-neodymium/disc-magnet-3mm-2mm_S-03-02-N
The puzzle functions also without magnets.

Here are some links about this design.
https://www.youtube.com/watch?v=xx

Feel free to 3D-print an extra sample to give to a friend, as long as you mention the designer and don't charge money.

If you are planning to sell some samples, then please contact me for a license agreement. The royalty fee is 10% of your selling price.

Please do not upload the design to a commercial service, or redistribute the design in any way other than linking to the YouTube video: https://www.youtube.com/watch?v=xx

Enjoy!

Oskar

8 December 2025

Contact: 
https://oskarvandeventer.nl/index_contact.php?subject=Print%20It%20Yourself