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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:140AI GHM

Order: 18

Horizontal side: 140 Vertical side: 140

Elements: 1√2, 2, 2√2, 3√2, 6, 6√2, 16, 16√2, 32, 25√2, 38, 29√2, 32√2, 54, 70, 54√2, 86, 70√2.

Code: 865 0 54 704 70 70 703 140 70 164 86 54 163 102 54 62 108 64 381 140 70 63 108 58 322 140 32 22 104 56 34 105 55 296 79 29 23 104 54 12 105 55 547 0 54 540 54 54 254 79 29 323 140 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)

86
70√2
70
16√2
16
6√2
38
6
32√2
2√2
3√2
29√2
2
1√2
54
54√2
25√2
32