Thanks for the replies! The top of the shadow
box is loose and attaches to the glass so you can
slide the glass in and out. This gives access to the
litho and the lighting.
I think I will try the silicone.
olf20 / Bob
[color=#8000BF]Heat with corn, Mach3, Bridgeport clone, VcarvePo, Photo VCarve, Craftsman Wood Lathe[/color]