<DIV style="font-family:Arial, sans-serif; font-size:10pt;"><DIV>Hi All,</DIV><DIV> Been annealing my disks, I've been just standing them on end in the oven. I'm seeing a tiny variation of the thickness of the acrylic, at first I thought it was because of standing them on end , but I think there is actually some variation in the thickness of the original material. The most I've seen is .020 . I guess it's nothing to be concerned about. Anyone have any info on this?</DIV><DIV> </DIV><DIV>Brian</DIV></DIV>