I have heard people having good results using coconut oil on 3d printed mods. I have not used it myself though, so you may want to give it a google.Sorry I should have worded that differently. Whey I meant was more shiny. Perhaps a coat of linseed oil or something?
I am not sure if I would try that on a mod though, since all of those methods would add extra material and make it harder to fit the buttons, 510 assembly, and door. It could even lead to the fire button sticking if it adds too thick of a layer to it.No first hand knowledge...
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That wouldn't concern me, as I could mask anywhere I thought that might happen. Or use sandpaper afterwards. Could be sprayed with the door on. Poly doesn't have to be that thick, unless you give it more coats.I am not sure if I would try that on a mod though, since all of those methods would add extra material and make it harder to fit the buttons, 510 assembly, and door. It could even lead to the fire button sticking if it adds too thick of a layer to it.