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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:142BB GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 4, 3√2, 4√2, 6, 8, 6√2, 8√2, 17√2, 34, 25√2, 37, 29√2, 34√2, 54, 71, 54√2, 88, 71√2.

Code: 885 0 54 714 71 71 713 142 71 174 88 54 30 105 71 371 142 71 60 102 68 61 108 68 342 142 34 80 96 62 81 104 62 42 108 58 41 108 62 296 79 29 547 0 54 540 54 54 254 79 29 343 142 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)

88
71√2
71
17√2
3√2
37
6√2
6
34√2
8√2
8
4√2
4
29√2
54
54√2
25√2
34