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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:134BE GHM

Order: 18

Horizontal side: 134 Vertical side: 134

Elements: 6, 6√2, 9, 12, 9√2, 15, 22, 23, 24, 22√2, 23√2, 44, 45, 33√2, 45√2, 67, 89, 67√2.

Code: 895 0 45 674 67 67 673 134 67 224 89 45 223 111 45 232 134 44 231 134 67 457 0 45 450 45 45 334 78 12 243 111 21 443 134 0 90 87 21 91 96 21 157 96 21 121 90 12 62 96 6 61 96 12

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)

89
67√2
67
22√2
22
23√2
23
45
45√2
33√2
24
44
9√2
9
15
12
6√2
6