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DE BRUIJN'S GRID METHOD
Rhombuses:
0
Display
Grid
Tiling
Both
Offsets (gamma)
Family 1 (0deg):
0.00
Family 2 (36deg):
0.00
Family 3 (72deg):
0.00
Family 4 (108deg):
0.00
Family 5 (144deg):
0.00
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De Bruijn proved Penrose tilings arise from 5 families of parallel lines at 36deg apart. Changing the offsets produces different Penrose tilings -- there are uncountably many!