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David Smith, a retired print technician from the north of England, was pursuing his hobby of looking for interesting shapes when he came across the 13-sided polygon
UK hobbyist stuns maths world with 'amazing' new shapes - World
An Aperiodic Monotile - Grasshopper - McNeel Forum
Eli Minson on LinkedIn: Need some!
UK hobbyist stuns maths world with 'amazing' new shapes - World
UK hobbyist stuns maths world with 'amazing' new shapes - World
UK Hobbyist Stuns Math World With 'Amazing' New Shapes
At Long Last, Mathematicians Have Found a Shape With a Pattern That Never Repeats, Smart News
Florian Bugarin on LinkedIn: Curriculum Vitae
UK hobbyist stuns maths world with 'amazing' new shapes - World