I cast a blank using Silmar 41, some PearlEx Carbon Black and embedded brass swarf. I want to use it for an Apollo semi-kitless from Bullseye Turning. I drilled everuything out, glued in the pieces and got them nearly turned down. The cap section has a major chipout in it - maybe 3/32" deep. I think it is where swarf didn't have enough material around it. A normal pen I'd probably cut my losses and just get a new tube. This one I want to try to fix. I tried epoxy with some of the carbon black, but it dried sort of rubbery and didn't look the same as the polycrilic. At this point Im thinking of casting more carbon black over the whole thing in a vertical mold and turning back down to size, or casting clear. If I were to cast clear over it, would the chipout be visible through the clear coat? Would CA glue plus the carbon black work? I'm worried about the different materials having a different finish when it is polished out.