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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:204AI GHM

Order: 18

Horizontal side: 204 Vertical side: 204

Elements: 10, 10√2, 20, 15√2, 17√2, 20√2, 32, 34, 36, 30√2, 36√2, 66, 68, 70, 68√2, 102, 136, 102√2.

Code: 1365 0 68 1024 102 102 1023 204 102 341 136 102 172 153 85 321 168 102 362 204 66 361 204 102 150 153 85 703 138 0 107 138 70 106 138 60 207 148 70 206 148 50 685 0 0 684 68 0 663 204 0 302 168 30

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)

136
102√2
102
34
17√2
32
36√2
36
15√2
70
10
10√2
20
20√2
68
68√2
66
30√2