im not sure what your budget is, but I have had Tap Plastics fabricate a Michell Gyrodec Cover $135 and a Well Tempered Cover ($85) fairly easily, you will never restore an old TT cover to look new
Removing fine scratches on tt dustcover
Does anyone know of a way to remove the super fine scratches, that accumulate over the years, on your tt dustcover? Can you make it look like glass, or is that a little too picky?