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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:120AB GHM

Order: 18

Horizontal side: 120 Vertical side: 120

Elements: 1√2, 2, 2√2, 3√2, 8√2, 16, 16√2, 32, 36, 26√2, 42, 32√2, 34√2, 36√2, 52, 42√2, 62, 52√2.

Code: 525 0 68 524 52 68 160 104 120 161 120 120 623 88 42 322 120 72 321 120 104 366 84 36 342 34 34 264 26 42 84 34 34 420 42 42 421 84 42 32 87 39 24 86 40 23 88 40 14 87 39 365 84 0

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)

52
52√2
16√2
16
62
32√2
32
36√2
34√2
26√2
8√2
42√2
42
3√2
2√2
2
1√2
36