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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:60AU1of2 GHM

Order: 18

Horizontal side: 60 Vertical side: 60

Elements: 1√2, 4√2, 6, 8, 6√2, 8√2, 12, 13, 15, 16, 12√2, 18, 13√2, 15√2, 26, 30, 36, 30√2.

Code: 367 0 60 60 36 60 61 42 60 187 42 60 306 30 30 263 30 28 122 42 42 121 42 54 305 30 0 40 4 28 134 17 15 133 30 15 87 0 24 80 8 24 167 0 16 10 16 16 150 15 15 151 30 15

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)

36
6√2
6
18
30√2
26
12√2
12
30
4√2
13√2
13
8
8√2
16
1√2
15√2
15