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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:102AL GHM

Order: 18

Horizontal side: 102 Vertical side: 102

Elements: 2√2, 6, 6√2, 11, 8√2, 12, 10√2, 11√2, 12√2, 20, 20√2, 29, 31, 41, 51, 41√2, 61, 51√2.

Code: 615 0 41 514 51 51 513 102 51 104 61 41 86 63 43 112 82 40 311 102 51 20 63 43 417 0 41 410 41 41 124 53 29 123 65 29 62 71 35 113 82 29 202 102 20 63 71 29 291 82 29 203 102 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
8√2
11√2
31
2√2
41
41√2
12√2
12
6√2
11
20√2
6
29
20