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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:104BO GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 2√2, 9, 8√2, 12, 10√2, 16, 12√2, 21, 15√2, 22, 24, 30, 22√2, 37, 52, 37√2, 67, 52√2.

Code: 675 0 37 524 52 52 523 104 52 154 67 37 243 82 28 222 104 30 221 104 52 377 0 37 370 37 37 211 58 37 97 58 37 303 104 0 125 58 16 124 70 16 106 72 18 20 72 18 161 74 16 82 82 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)

67
52√2
52
15√2
24
22√2
22
37
37√2
21
9
30
12
12√2
10√2
2√2
16
8√2