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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:72BD GHM

Order: 18

Horizontal side: 72 Vertical side: 72

Elements: 1, 1√2, 3√2, 6, 6√2, 12, 14, 15, 16, 18, 14√2, 28, 29, 21√2, 30, 29√2, 42, 43.

Code: 435 0 29 421 42 72 212 63 51 301 72 72 30 63 51 183 60 30 67 60 48 60 66 48 127 60 42 283 72 14 14 43 29 13 44 29 167 44 30 297 0 29 290 29 29 151 44 29 144 58 0 143 72 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)

43
42
21√2
30
3√2
18
6
6√2
12
28
1√2
1
16
29
29√2
15
14√2
14