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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:132AC GHM

Order: 18

Horizontal side: 132 Vertical side: 132

Elements: 1, 1√2, 2, 3, 3√2, 5√2, 10, 10√2, 20, 20√2, 36, 40, 46, 56, 66, 76, 56√2, 66√2.

Code: 765 0 56 664 66 66 663 132 66 104 76 56 103 86 56 52 91 61 461 132 66 23 91 59 12 92 60 13 92 59 405 92 20 30 89 59 31 92 59 567 0 56 560 56 56 361 92 56 204 112 0 203 132 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)

76
66√2
66
10√2
10
5√2
46
2
1√2
1
40
3√2
3
56
56√2
36
20√2
20