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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dt 18:130LF2of2 GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 13, 13√2, 20, 15√2, 25, 26, 20√2, 30, 25√2, 39, 40, 30√2, 45, 52, 39√2, 45√2, 65, 85.

Code: 855 0 45 521 52 130 395 52 91 394 91 91 653 130 65 137 52 91 136 52 78 267 65 91 204 85 45 203 105 45 252 130 40 251 130 65 457 0 45 450 45 45 304 75 15 303 105 15 403 130 0 154 90 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

85
52
39
39√2
65
13
13√2
26
20√2
20
25√2
25
45
45√2
30√2
30
40
15√2