Not sure what you mean about storing the mold. I just do the fiberglass and resin directly on the broken part to repair things (after cutting away some of the

Not sure what you mean about storing the mold. I just do the fiberglass and resin directly on the broken part to repair things (after cutting away some of the plastic). It's sort of like gluing it, but when you need more strength. Would he really need to print more parts? I mean, it could break again, but this seems like a one-off fix.