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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:76AC GHM

Order: 18

Horizontal side: 76 Vertical side: 76

Elements: 6, 6√2, 8√2, 12, 9√2, 14, 15, 18, 14√2, 15√2, 28, 21√2, 30, 31, 34, 25√2, 28√2, 31√2.

Code: 347 0 76 280 34 76 281 62 76 142 76 62 141 76 76 316 45 31 60 6 48 61 12 48 185 12 30 254 37 23 212 21 21 121 12 42 86 37 23 315 45 0 94 21 21 303 30 0 152 45 15 153 45 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)

34
28√2
28
14√2
14
31√2
6√2
6
18
25√2
21√2
12
8√2
31
9√2
30
15√2
15