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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:102AN GHM

Order: 18

Horizontal side: 102 Vertical side: 102

Elements: 3√2, 6, 6√2, 10, 12, 10√2, 11√2, 17, 20, 15√2, 23, 20√2, 31, 41, 51, 41√2, 61, 51√2.

Code: 615 0 41 514 51 51 513 102 51 104 61 41 103 71 41 112 82 40 311 102 51 417 0 41 410 41 41 154 56 26 123 71 29 173 82 23 202 102 20 36 56 26 65 59 23 64 65 23 231 82 23 203 102 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)

61
51√2
51
10√2
10
11√2
31
41
41√2
15√2
12
17
20√2
3√2
6
6√2
23
20