Draw your own snowflake by holding down the mouse button and moving the mouse - should quickly be obvious what to do. You can press the C key to clear. Don't blame me if you find it addictive! Remixes that don't change or add anything WILL be reported. Come on guys, at least change the background or something! Press R to see my explanation of why I do so (R again to clear).
An updated version of https://scratch.mit.edu/projects/15008960/ to make use of clones. The original was made in Scratch 1.4 (in 2013!) when clones weren't available.