#ptlist in standard coordinates, converted from #ptlist (Stembridge) (0,0) (3/4,0) (1,1/4) (5/4,0) (5/8,5/8) (15/8,5/8) (3/4,1/2) (7/4,1/2) (9/8,1/8) (1/2,0) (7/8,1/8) (13/8,5/8) (3/2,1/2) (1/2,1/2) (1,0)