This texture was generated in Filter Forge, a Photoshop plugin that allows you to create your own filters.
Generate crystal H2O structures, also known as snowflakes. This filter is similar to the 'Snowflake' filter, only without the kaleidoscope effect so that lower scales render different flakes. That's also the cause that this filter is way slower than the original 'Snowflake'.
snow flake snowflake water H2O ice symetry crystal hexagon hexagram winter cold