3 Sided, triangular Snowflakes, like the 12 sided variety, are a mystery to science.
They appear along with the conditions which produce the 6 sided snowflakes. Here is a close-up set of photographs showing three sided snowflakes. Here's one more three sided snowflake that is featured right here on this page! Can you find it? (hint look for #730)
Print these patterns on regular or colored paper. Use sharp scissors. For intricate patterns use small cuticle scissors.