Uploaded January 2013 | Updated September 2026, 2 weeks ago
For making the flat round coin I found such a complex method that I wonder if anyone can find an easier way to make it. I don't expect anyone will find an easier way soon, yet I may have overlooked an easy method. I invite you to try to make the coin before I place a tutorial on Youtube. Another interesting part of this video is that 2 shapes are shown that are pretty much equal in shape but very different in magnetic fields.
For making the flat round coin I found such a complex method that I wonder if anyone can find an easier way to make it. I don't expect anyone will find an easier way soon, yet I may have overlooked an easy method. I invite you to try to make the coin before I place a tutorial on Youtube. Another interesting part of this video is that 2 shapes are shown that are pretty much equal in shape but very different in magnetic fields.










![Different polarity systems in 5x5- and 6x6-squares, magnets tutorial
This video shows that 5x5- and 6x6-squares can be made with different polarity systems. It is a video response to Dimitri Tishchenkos video [Tutorial] Squares where he attempts to make different 4x4-squares. With the string method I use to prove that two squares have a different polarity system, all possible constructions of a 4x4-square behave the same. This does not prove that they all have the same polarity system, but probably they do. Yet 5x5- and 6x6-squares CAN have different polarity systems as shown in my video.
The link to Dimitris video: https://www.youtube.com/watch?v=a_w6eORy4S4 Different polarity systems in 5x5- and 6x6-squares, magnets tutorial](https://i.ytimg.com/vi/kqpHKZYowWc/mqdefault.jpg)