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Primitive Perfect Isosceles Right Triangled Square

Title: d 15:42AI GHM

Order: 15

Horizontal side: 42 Vertical side: 42

Elements: 2√2, 4, 4√2, 5√2, 6√2, 9, 7√2, 10, 12, 10√2, 15, 21, 15√2, 27, 21√2.

Code: 275 0 15 214 21 21 213 42 21 64 27 15 20 33 21 91 42 21 40 31 19 41 35 19 72 42 12 157 0 15 150 15 15 104 25 5 103 35 5 123 42 0 54 30 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)

27
21√2
21
6√2
2√2
9
4√2
4
7√2
15
15√2
10√2
10
12
5√2