Do you recall a recent post-they sais they had no clue on lasers and was given a big pile of parts,, had them in the garage-would tke pics later and post them??
wrote that he wondered about putting the parts on a 'huge ally plate' I am betting it was an, or top to an 'optical work bench space( 1/4inch holes threaded and 1 inch part.)..
see pt 2