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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:92AA GHM

Order: 18

Horizontal side: 92 Vertical side: 92

Elements: 1√2, 2, 4, 4√2, 8, 12, 12√2, 23, 24, 25, 21√2, 22√2, 23√2, 24√2, 44, 46, 48, 46√2.

Code: 485 0 44 464 46 46 463 92 46 21 48 46 212 69 25 224 70 24 236 69 23 445 0 0 244 24 20 243 48 20 253 69 0 12 70 24 235 69 0 124 36 8 123 48 8 81 44 8 42 48 4 41 48 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)

48
46√2
46
2
21√2
22√2
23√2
44
24√2
24
25
1√2
23
12√2
12
8
4√2
4