See both the square and round labyrinth designs on this 2nd century BCE silver coin from Knossos—Europe's oldest city, on the island of Crete.

How would you need to adjust this procedure to change the size of the resulting labyrinth?

What is the difference between a maze and a labyrinth?

Look up the story of the Minotaur and the Labyrinth of Crete from ancient Greek legend.

Thanks to Clarissa Grandi at Artful Maths for this idea.