Wnna fix mine? Its sitting with something broken right now and I'm trying to figure out if I have the tools to fix it.
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Basically what I did. It seemed to me like it was more of a matter of cleaning than fixing.
Speaking of building - Has anyone seen those DIY CNC machines? They're like $200-300 and you have to supply the cutter, but they come with the software and materials in a complete kit. Don't know what kind of cutter, but either a router or a carbide cutter would do it. I'm not sure on the tolerance you can get, but even if it's only .1 mm (I think the normal acceptable range is MUCH lower, but for a DIY kit...:shrug:) it could make short order of making scales.
This one can be built for less than $200 apparently:
Easy to Build Desk Top 3 Axis CNC Milling Machine