Honeycomb Sudoku Puzzles is what I now call my Snowflake Sudoku puzzles. Yes, it is confusing.
I just felt the puzzle looks more like a honeycomb than a snowflake. Here is an example, scaled down quite a bit.
This ebook contains 36 Honeycomb Sudoku Puzzles in easy and hard levels of play, with solutions included.
You can print out the puzzles or solve them on your device if it allows typing/drawing on top of images.

You can download this free Honeycomb Sudoku Puzzles ebook in a variety of popular ebook formats from Smashwords
here.