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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:104AW GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 3, 4√2, 8, 6√2, 8√2, 12, 9√2, 12√2, 18, 21, 18√2, 28, 34, 43, 52, 43√2, 61, 52√2.

Code: 615 0 43 524 52 52 523 104 52 94 61 43 60 70 52 341 104 52 33 64 43 122 76 34 121 76 46 285 76 18 437 0 43 430 43 43 211 64 43 86 68 26 46 64 22 85 68 18 184 86 0 183 104 0

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)

61
52√2
52
9√2
6√2
34
3
12√2
12
28
43
43√2
21
8√2
4√2
8
18√2
18