laser module gopro mount

I buy these little laser modules on Ebay, they are cheap, around 10 for a dollar if you shop around and are willing to wait for a month. Or you can get 10 for 5 bucks and only wait a few days.
They run on 5vdc. They measure 5.9mm diameter and there is a flat little protuberance at that back that the wires are soldered to, it measures 6.2mm wide. Overall length including the protuberance is 13mm.
I adapted a gopro mount to work with these little laser modules. My plan is to print 6 to 10 of the