How treat wood with a detailed CNC cut against moisture? (lemmy.ml)

submitted 5 days ago by madnificent@lemmy.world to c/beginner_woodworking@lemmy.ml

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How can I treat this carving so the wood doesn't deteriorate and can be cleaned but the tiny shapes stay visible?

Been working on a lid for a sealed terrarium. I've made fairly detailed cuts on a CNC. The picture doesn't do it justice. I intend to seal the bottom with paraffin to get a good seal with the glass. That will also protect the wood from moisture but I'm not sure how to treat the top. Every piece has an error in it, here I forgot to calibrate the bit height which made a bad cut in the bottom in the last step which I intend to fill with paraffin too.

The top is cut in 4mm, 0.8mm and vcarve bits (0.3mm and 0.1mm tip) and I wonder what I could use whilst still having the shapes pop nicely. Light and shadows play nicely in the grooved cuts.

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[-] The_v@lemmy.world 4 points 5 days ago

Lacquer needs to go on in very thin coats. Getting yourself a good spraying setup is a bit expensive but worth it if you do a lot of projects. You can find it in paint spray cans as well. They work very well for small projects.

Just be sure to apply it outside. The fumes from it has a real kick. I generally apply it with all the doors open in the garage plus a spray shield setup around it with some old shower curtains.

this post was submitted on 21 Feb 2026

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