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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:90JN1of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 3, 5, 5√2, 7√2, 10, 14, 15, 17, 14√2, 20, 28, 20√2, 21√2, 30, 40, 30√2, 60, 45√2.

Code: 605 0 30 454 45 45 216 69 69 70 69 69 173 62 45 147 62 62 140 76 62 35 62 45 281 90 48 151 60 45 57 60 45 50 65 45 107 60 40 403 70 0 202 90 20 305 0 0 304 30 0 203 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)

60
45√2
21√2
7√2
17
14
14√2
3
28
15
5
5√2
10
40
20√2
30
30√2
20