Prints available at Artist website, RedBubble.com.
Licenses for commercial use - at Shutterstock.com.
This heart-like pattern inside of snowflake really rare thing: i have seen it only twice in all of my photos, taken during 8 winters. In January 2016, i was lucky to take photo of another snowflake with six tiny hearts, connected to corners of hexagonal center:
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.