The station (black triangles) distribution of the array designed by the tiles of ‘the Hat’ family. (a) The shape of the Hat tile. (b) The shape of the Turtle tile. (c)The shape of the Specter tile. (d) The station distribution and ARF of the Hat array. (e) The station distribution and ARF of the Specter array. (f) The station distribution and ARF of the central Hat array.