A start angle of 120 tends to be the most interesting. 12, 60 looks very natural Press O, or click the toggle icon to show the settings. For more complicated patterns, change point growth to 6 and point size to 5, this will prevent unwanted branches, but some detail will be lost. Other Interesting parameters to try are: 12 & (60,72,120,240) 20 & (10) 30 & (90, 120, 150 ,240, 270) 45 & (60, 270, 315) 60 & (0, 60, 90, 180, 240) 90 & (45, 90, 300, 315,330) 72 & (36, 108) 120 & (0 30, 40, 60, 90, 120, 135, 150, 330, 340) 240 & (30, 300) 270 & (30, 45) 340 & (170)