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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:70AR GHM

Order: 18

Horizontal side: 70 Vertical side: 70

Elements: 1, 4, 4√2, 6, 7, 8, 6√2, 8√2, 12, 9√2, 12√2, 20, 23, 29, 35, 41, 29√2, 35√2.

Code: 415 0 29 354 35 35 353 70 35 64 41 29 63 47 29 75 47 28 231 70 35 297 0 29 290 29 29 94 38 20 13 47 28 80 46 28 81 54 28 42 58 24 43 58 20 122 70 12 201 58 20 123 70 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)

41
35√2
35
6√2
6
7
23
29
29√2
9√2
1
8√2
8
4√2
4
12√2
20
12