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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:214AR GHM

Order: 19

Horizontal side: 214 Vertical side: 214

Elements: 3, 3√2, 6, 6√2, 9√2, 14√2, 21, 28, 21√2, 28√2, 42, 56, 65, 72, 86, 107, 86√2, 128, 107√2.

Code: 1285 0 86 1074 107 107 1073 214 107 214 128 86 213 149 86 92 158 98 651 214 107 66 152 92 565 158 42 36 149 89 65 152 86 35 149 86 867 0 86 860 86 86 721 158 86 285 158 14 284 186 14 423 214 0 144 172 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)

128
107√2
107
21√2
21
9√2
65
6√2
56
3√2
6
3
86
86√2
72
28
28√2
42
14√2