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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __t 18:240JB1of2 GHM

Order: 18

Horizontal side: 240 Vertical side: 240

Elements: 8, 8√2, 16, 15√2, 16√2, 30, 32, 30√2, 32√2, 60, 64, 56√2, 60√2, 90, 75√2, 90√2, 150, 120√2.

Code: 1505 0 90 1204 120 120 566 184 184 643 184 120 322 216 152 323 216 120 162 232 136 163 232 120 82 240 128 83 240 120 304 150 90 303 180 90 607 180 120 606 180 60 905 0 0 904 90 0 156 165 75 750 165 75

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
56√2
64
32√2
32
16√2
16
8√2
8
30√2
30
60
60√2
90
90√2
15√2
75√2