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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:60BA1of4 GHM

Order: 18

Horizontal side: 60 Vertical side: 60

Elements: 2√2, 4, 3√2, 4√2, 6, 8, 6√2, 10, 12, 9√2, 10√2, 18, 20, 22, 26, 30, 42, 30√2.

Code: 427 0 60 46 38 56 87 42 60 100 50 60 101 60 60 263 38 30 45 38 52 225 38 30 24 40 50 201 60 50 96 3 21 187 12 30 300 30 30 301 60 30 30 3 21 67 0 18 60 6 18 127 0 12

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

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

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

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

42
4√2
8
10√2
10
26
4
22
2√2
20
9√2
18
30√2
30
3√2
6
6√2
12