I’ve seen that a couple EK43 owners sand their grind chambers to help with burr alignment, is this a cool idea, or maybe we should just stick to shimming with aluminium foil?
https://www.home-barista.com/grinders/mahlkonig-ek43-alignment-sanding-chamber-t51398.html
I believe Titus Grinding does this with their custom EK43 builds.