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Primitive Perfect Isosceles Right Triangled Square

Title: d 15:40AK GHM

Order: 15

Horizontal side: 40 Vertical side: 40

Elements: 4, 5, 4√2, 6, 8, 6√2, 9, 7√2, 12, 13, 14, 13√2, 20, 27, 20√2.

Code: 275 0 13 204 20 20 203 40 20 74 27 13 123 34 8 62 40 14 61 40 20 143 40 0 137 0 13 130 13 13 91 22 13 57 22 13 47 22 8 46 22 4 87 26 8

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)

27
20√2
20
7√2
12
6√2
6
14
13
13√2
9
5
4
4√2
8