Hello, I was needing a quick opinion on my 12in F3.3 mirror. Beraing in mind it is full thickness, 50mm (2in) should I just RTV silicon it using 18mm ply tailgate fashion or build a proper 3 point steel cell? I am going to start work today. Thanks, Marco Miglionico. _______________________________________________ ATM mailing list http://www.atmlist.net/