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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:172AE2of4 GHM

Order: 18

Horizontal side: 172 Vertical side: 172

Elements: 6, 6√2, 12, 12√2, 18, 18√2, 26, 21√2, 34, 26√2, 34√2, 52, 39√2, 60, 60√2, 86, 112, 86√2.

Code: 1125 0 60 864 86 86 863 172 86 264 112 60 263 138 60 342 172 52 341 172 86 607 0 60 600 60 60 394 99 21 183 138 42 523 172 0 216 99 21 67 120 42 66 120 36 127 126 42 126 126 30 182 138 18

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)

112
86√2
86
26√2
26
34√2
34
60
60√2
39√2
18
52
21√2
6
6√2
12
12√2
18√2