just press the flag, and play around with the sliders to make patterns. shapes controls how close together the shapes making up the pattern are. sides controls which shapes are used, triangle, hexagon, octagon, etc button 1: center side is the same as sides, but for the small orange pattern in the center. button 1: center shape is the same as shape, but for the small orange pattern in the center.
i found the script for this in Coding for Beginners using Scratch, by Usborne on page 25.