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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:72BC GHM

Order: 18

Horizontal side: 72 Vertical side: 72

Elements: 3√2, 6, 7, 6√2, 9, 7√2, 11, 8√2, 12, 14, 17, 14√2, 22, 29, 36, 29√2, 43, 36√2.

Code: 435 0 29 364 36 36 363 72 36 74 43 29 73 50 29 82 58 28 221 72 36 297 0 29 290 29 29 121 41 29 62 47 23 91 50 29 113 58 17 142 72 14 63 47 17 32 50 20 171 58 17 143 72 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)

43
36√2
36
7√2
7
8√2
22
29
29√2
12
6√2
9
11
14√2
6
3√2
17
14