are there designs that work for green lasers?

[mikeeey]

that's very cute Switch, you love me. lol.
how big of a dot was that defocused? I was thinking somewhere along the lines of...a 1 - 4 foot dot.

 

[Switch]

It's 6-7 inches across.I guess a bigger one will just get a different blurry blob :-/
Lol , that's the head I had screwed into my adapter, I can't find the box with the other ones.