ps = {{0, 0}, {-(Sqrt[3]/2), -(3/2)}, {Sqrt[3]/
   2, -(3/2)}, {-Sqrt[3], -3}, {0, -3}, {Sqrt[
   3], -3}, {-((3 Sqrt[3])/2), -(9/2)}, {-(Sqrt[3]/2), -(9/2)}, {Sqrt[
   3]/2, -(9/2)}, {(3 Sqrt[3])/
   2, -(9/2)}, {-2 Sqrt[3], -6}, {-Sqrt[3], -6}, {0, -6}, {Sqrt[
   3], -6}, {2 Sqrt[3], -6}, {-((5 Sqrt[3])/2), -(15/2)}, {-((
    3 Sqrt[3])/2), -(15/2)}, {-(Sqrt[3]/2), -(15/2)}, {Sqrt[3]/
   2, -(15/2)}, {(3 Sqrt[3])/2, -(15/2)}, {(5 Sqrt[3])/
   2, -(15/2)}, {-(Sqrt[3]/2), -(1/2)}, {Sqrt[3]/
   2, -(1/2)}, {-Sqrt[3], -2}, {0, -2}, {Sqrt[
   3], -2}, {-((3 Sqrt[3])/2), -(7/2)}, {-(Sqrt[3]/2), -(7/2)}, {Sqrt[
   3]/2, -(7/2)}, {(3 Sqrt[3])/
   2, -(7/2)}, {-2 Sqrt[3], -5}, {-Sqrt[3], -5}, {0, -5}, {Sqrt[
   3], -5}, {2 Sqrt[3], -5}, {-((5 Sqrt[3])/2), -(13/2)}, {-((
    3 Sqrt[3])/2), -(13/2)}, {-(Sqrt[3]/2), -(13/2)}, {Sqrt[3]/
   2, -(13/2)}, {(3 Sqrt[3])/2, -(13/2)}, {(5 Sqrt[3])/
   2, -(13/2)}, {-2 Sqrt[3], -8}, {-Sqrt[3], -8}, {0, -8}, {Sqrt[
   3], -8}, {2 Sqrt[3], -8}}