12-sided snowflakes are rare but some snowfalls produce many of them. 12-sided snowflakes occur along with the normal 6-sided snowflakes but scientists don't yet know which weather conditions cause them to happen.
12 Sided Paper Snowflake Patterns to Print and Color with crayons or markers! Perfect for scissorless snowflake paper fun! Great for icy cool window decals, crochet or embroidery templates.
Here are two beautiful color photographs of 12 sided snowflake crystals.