Costum Bokeh Creation

Costum Bokehs is not something new. Apparently there is alot of turotials on the web about this, but with a bit of theoretical knowledge about light and lenses this is no prob to figure out. What I wanted to make was a Costum Bokeh which I can costumize without alot of effort - on the fly.

First the things needed and what I did:Second how it looks: