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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:104AS GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 6, 6√2, 12, 16, 18, 13√2, 16√2, 18√2, 28, 32, 24√2, 36, 42, 31√2, 32√2, 48, 56, 44√2.

Code: 567 0 104 320 56 104 321 88 104 162 104 88 161 104 104 446 60 44 240 24 72 361 60 72 287 60 72 487 0 48 66 42 42 125 48 36 132 73 31 423 42 0 65 42 36 182 60 18 181 60 36 310 73 31

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)

56
32√2
32
16√2
16
44√2
24√2
36
28
48
6√2
12
13√2
42
6
18√2
18
31√2