I cannot find any information if the Large Scale Shay diagonal Lima Builders plates (for the side of the boiler) are available anywhere.

They are not at the Bachmanns parts store. I'm missing a few of them as they happen to come off and disappear. Thanks in advance

New here and could not find any information if the Large Scale Shay diagonal Lima Builders plates (for the side of the boiler) are available anywhere. They are not at the Bachmanns parts store. I'm missing a few of them as they happen to come off and disappear. Thanks in advance