This is simple photo manipulation: two copies of same snowflake merged in "difference" blending mode with small shift between copies ("normal" processing of this snowflake will be ready soon). I like colors that difference blending produced in this case.
Licenses for commercial use available at Shutterstock.com.
If you want to see more snowflakes, you can browse through all snowflake pictures.
Here you'll find snowflake photo wallpapers in numerous resolutions and screen proportions, up to Ultra HD 4K.
And here is article about snowflake macro photography.