Nick Hull wrote:
In article .com,
wrote:

Does anyone know of a company that would make a custom plate like for a
flashlight or something. Like the BatSignal, but with a different
picture.

If you want to project a picture you have to put the (metal) mask in a
collumnated beam or at the focal point of the lens.

That's collimated, if the OP needs to search on it.