8-fold Crescent Dome

Plan View Explanation

Plan View of Eight-fold Crescent Motif Dome Overlaid on AB-A5 Dome
Plan View of Eight-fold Crescent Motif Dome Overlaid on AB-A5 Dome

8-fold Crescent Dome: In spite of only having four (4) unique tiles of 45°, 90°, 135° & 180° the Crescent motif is still visible when it is used as the expansion method.
 
A more aesthetically pleasing example of the Crescent motif, that of 32-fold symmetry, can be seen here.