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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:80AR1of2 JDS

Order: 18

Horizontal side: 80 Vertical side: 80

Elements: 1√2, 2, 2√2, 3√2, 6, 8, 10, 8√2, 10√2, 16, 20, 16√2, 24, 20√2, 40, 48, 36√2, 40√2.

Code: 487 0 80 80 48 80 81 56 80 247 56 80 406 40 40 366 4 36 162 56 56 161 56 72 405 40 0 36 1 33 65 4 30 10 1 33 27 0 32 20 2 32 107 0 30 100 10 30 207 0 20 200 20 20

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

48
8√2
8
24
40√2
36√2
16√2
16
40
3√2
6
1√2
2
2√2
10
10√2
20
20√2