You will see the 4-axis Chinese 6090s are the starting point in that size range, I would defer to others if the more expensive builds are suitable for your use case (are you a hobbyist or a professional).
I'm making a Frank Paradise-style cue with thick nickel silver rings. The thickest I've found online from the usual sources are 0.05". Other than buying an expensive metal blank and hogging my own rings for a one-off cue, does anyone know of another source? Here's an example of the ring...
I agree with the accuracy and precision concerns of the digital micrometers used in these diy dros (I have a few for my taig). I switched back to dials for some key measurements.
Looks like you are exhausting outside, I’d like to do the same in my basement shop. Do you have problems with the air flow messing up the hvac in the rest of the house ?