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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:60AV GHM

Order: 18

Horizontal side: 60 Vertical side: 60

Elements: 3, 4√2, 5√2, 8, 10, 8√2, 12, 9√2, 10√2, 15, 16, 12√2, 18, 16√2, 28, 23√2, 36, 28√2.

Code: 367 0 60 90 36 60 124 48 48 123 60 48 230 27 51 181 45 51 35 45 48 157 45 48 106 50 38 56 45 33 105 50 28 40 4 28 284 32 0 283 60 0 87 0 24 80 8 24 167 0 16 160 16 16

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)

36
9√2
12√2
12
23√2
18
3
15
10√2
5√2
10
4√2
28√2
28
8
8√2
16
16√2