LF: Yomega Spacer/ Shim

I have a Saber Raider that is missing a spacer, and I have tried all sorts of methods to make something to fit, short of buying a lathe, but I always end up with the string falling behind the bearing, or the bearing rubbing. Unfortunately , Duncan freehand spacers are not the same, much to my disappointment.

So, anyone got a spare spacer?