Recently, I came across this tutorial to make your own Bokeh filter:

[ame="http://www.vimeo.com/2165224"]DIY bokeh on Vimeo[/ame]

Which gives this kind of result:

[ame="http://www.vimeo.com/2841297"]The Bokeh Filter on Vimeo[/ame]

As far as I can see, this is only for photography. I was wondering however if anyone has made something like this for their videocamera and tried it out. If yes, did it work, and which lens did you use to put the cutout on?