MDF SPIRO SNOWFLAKE By: Dusty Miller | December 8, 2009 MDF SNOWFLAKE MADE USING SPIRO GRAPH AS TEMPLATE. 3 MM MDF WAS USED. AND A FRET SAW. TIME IS A VIRTUE. THESE PIECES CAN NOT BE RUSHED.TAKE YOUR TIME MAKING THEM. IDEAL TO HANG ON XMAS TREE.