I would think any reproduction of his plans would infringe on his copyrights without his permission. The right thing to do would be to email him and ask his permission.
I know when you purchase these plans from him he does password protect the file so only someone who bought the plans has access to them. Judging by how many people viewed this post and didn't reply probably means nobody wants to redistribute his plans without his permission. Just my 2 cents.
Just curious, who is
he?
He didn't get mentioned before, if I read correctly.
Even though I am reading in this message board for one and a half year now, I am not too familiar with the "historical" persons of the relatively young hobby of mame cab building. So, according to THE BOOK, the UA II plans were made by someone called GSXmoviestar (or something like that). And Mameroom bought them and sells them now, right?
Well, thinking about the copyright issue: On the other Hand, the plans come together with THE BOOK. So it should be okay to use them for yourself and a non profit and non commercial purpose. But I guess when the plans get transfered to someone else, that's against copyright law, ain't it? I could only think that it would be legal if you would bring the plans in person to the one doing the converting and stay with him until the conversion is done. Then take the converted plans and make sure no copy of the files remain on his harddrive.
Any lawyer please tell me if my thesis is legal and follows the US copyright law : )