A selfsimilar version of a substitution with Penrose rhombs, but without reflections. These tilings are mld to the Penrose Rhomb tilings, even though they lack their mirror symmetry.
[GB97]
Gummelt, P., and Bandt, C.
Fractal Penrose tilings I. Construction and matching rules.
aequationes mathematicae
1997,
53, 1,
295-307,
Doi 10.1007/BF02215977