The Secret Society of Lathe Trolls

Thanks for the answers. Specifically, I had been wondering about the acetate being resprayed/resilvered after it has been used for making metal parts, and whether that is a good practice. For example: metal parts are made, there are issues that are discovered on the metal part(s), and the only alter...

Just wondering if anyone has ever sprayed an acetate a second time. Let's say the first time didn't work for whatever reason. What effect would "doing it all again" have on the overall quality down the line?