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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:144AM GHM

Order: 18

Horizontal side: 144 Vertical side: 144

Elements: 6, 6√2, 12, 9√2, 14, 12√2, 14√2, 19√2, 28, 21√2, 25√2, 28√2, 44, 58, 72, 58√2, 86, 72√2.

Code: 865 0 58 724 72 72 723 144 72 144 86 58 143 100 58 192 119 53 441 144 72 587 0 58 580 58 58 214 79 37 126 88 46 250 119 53 96 79 37 125 88 34 65 88 28 64 94 28 284 116 0 283 144 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
72√2
72
14√2
14
19√2
44
58
58√2
21√2
12√2
25√2
9√2
12
6
6√2
28√2
28