An impressive yet simple photographic effect
This one sparked a bit of interest over at the Norwegian blog I'm contributing to for the Norwegian Broadcasting Corporation. So, I'll share the story here as well.
Video tutorial on how to make that cardboard cover for your lens
I recently bought the lens you see in the image. Canon EF 50mm f/1.4 USM. Then Mr. Erlandsen pointed me to this.
Before you know it I made this one:
Equipped it with a snow crystal and mounted it on my camera:
I used some standard paper cutters to make the patterns.
Before you know it the images that have a traditional round bokeh:
...started looking like ...