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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _pt 18:180JI1of2 GHM

Order: 18

Horizontal side: 180 Vertical side: 180

Elements: 1√2, 2, 2√2, 3√2, 4√2, 6, 10√2, 20, 30, 40, 40√2, 60, 70, 80, 60√2, 70√2, 110, 120.

Code: 1205 0 60 1101 110 180 707 110 180 706 110 110 305 110 80 22 112 78 21 112 80 12 113 79 44 116 76 106 110 70 207 120 80 803 140 0 402 180 40 30 113 79 67 110 76 605 0 0 604 60 0 403 180 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)

120
110
70
70√2
30
2√2
2
1√2
4√2
10√2
20
80
40√2
3√2
6
60
60√2
40