Edward L. Platt (web developer, maker, artist, recovering physicist, and neuroscience fanboy living in Metro Detroit), has created FlakePad, a Web-based application that allows people to draw their own snowflakes.
quote [PenFlakes are hand-drawn, pen-and-paper, drawings inspired by snowflakes. I draw one every day, and post it here. I don't use a ruler, but I do place a sheet of hexagon graph paper behind the sheet I am working on as a guide. Each darwing is 8" by 8"].