Sectored plates are stellar plates with prominent distinctive ridges that point to the corners between adjacent prism facets. The points of this sectored plate snowflake look like little maple leaves.
                                            (Kenneth Libbrecht)

Seeing Snowflakes

Sectored plates are stellar plates with prominent distinctive ridges that point to the corners between adjacent prism facets. The points of this sectored plate snowflake look like little maple leaves.

Credit: Kenneth Libbrecht