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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:142AS GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 6, 5√2, 6√2, 10, 12, 10√2, 18, 15√2, 18√2, 30, 36, 41, 50, 56, 71, 56√2, 86, 71√2.

Code: 865 0 56 714 71 71 713 142 71 154 86 56 50 101 71 411 142 71 100 96 66 101 106 66 365 106 30 567 0 56 560 56 56 501 106 56 185 106 12 184 124 12 303 142 0 67 106 12 66 106 6 127 112 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)

86
71√2
71
15√2
5√2
41
10√2
10
36
56
56√2
50
18
18√2
30
6
6√2
12