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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:72BJ GHM

Order: 18

Horizontal side: 72 Vertical side: 72

Elements: 2√2, 3√2, 6, 8√2, 12, 14, 10√2, 11√2, 16, 12√2, 14√2, 20, 22, 28, 22√2, 36, 44, 36√2.

Code: 445 0 28 364 36 36 363 72 36 114 47 25 140 58 36 141 72 36 285 0 0 201 20 28 102 30 18 124 32 16 123 44 16 32 47 25 67 44 22 220 50 22 221 72 22 20 30 18 86 20 8 167 28 16

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)

44
36√2
36
11√2
14√2
14
28
20
10√2
12√2
12
3√2
6
22√2
22
2√2
8√2
16