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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:76AL GHM

Order: 18

Horizontal side: 76 Vertical side: 76

Elements: 3√2, 6, 12, 10√2, 12√2, 17, 18, 14√2, 20, 23, 24, 18√2, 20√2, 30, 23√2, 24√2, 29√2, 46.

Code: 467 0 76 120 46 76 121 58 76 182 76 58 181 76 76 240 34 64 241 58 64 296 47 29 106 0 30 207 10 40 206 10 20 175 30 23 144 44 26 305 0 0 36 44 26 65 47 23 237 30 23 230 53 23

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)

46
12√2
12
18√2
18
24√2
24
29√2
10√2
20
20√2
17
14√2
30
3√2
6
23
23√2