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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:104BF GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 2√2, 4, 4√2, 6√2, 11, 12, 10√2, 11√2, 20, 22, 20√2, 30, 33, 41, 52, 41√2, 63, 52√2.

Code: 635 0 41 524 52 52 523 104 52 114 63 41 113 74 41 202 94 32 301 104 52 417 0 41 410 41 41 331 74 41 203 94 12 102 104 22 223 104 0 45 74 8 44 78 8 66 76 6 127 82 12 24 76 6

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)

63
52√2
52
11√2
11
20√2
30
41
41√2
33
20
10√2
22
4
4√2
6√2
12
2√2