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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _pt 18:240JG1of2 GHM

Order: 18

Horizontal side: 240 Vertical side: 240

Elements: 1√2, 2, 2√2, 4, 4√2, 8, 8√2, 14, 30, 30√2, 60, 60√2, 90, 75√2, 120, 90√2, 150, 120√2.

Code: 1505 0 90 1204 120 120 1203 240 120 304 150 90 303 180 90 607 180 120 606 180 60 905 0 0 904 90 0 86 172 82 46 168 78 85 172 74 26 166 76 45 168 74 16 165 75 25 166 74 750 165 75 141 180 74

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)

150
120√2
120
30√2
30
60
60√2
90
90√2
8√2
4√2
8
2√2
4
1√2
2
75√2
14