Rosette Pseudo-Regular Tiling
A method of tiling hexagons that forms rosette shapes. A single hexagon and its six neighbours form a first-level aggregate called a 1-rosette. The 1-rosettes aggregate into 2-rosettes, and the 2-rosettes aggregate into 3-rosettes, etc. The resulting aggregate rosettes are roughly hexagonal in shape, and their orientation changes by about 19 degrees per level of aggregation.