Geometry porn

My friend coined this concept of liking so much geometry that it's borderline porn, and that very much suits me.
  1. Nature's geometry (my personal favorite kind)
    Suggested by   @Heartsounds
  2. Mandalas!
    Suggested by   @Heartsounds
  3. Suggested by   @pathb
  4. Suggested by   @andersun
  5. Suggested by   @andersun