Made anything in Fiber glass or CF before ?.. cloth is different You could Use Epoxy Resin with glass cloth.
works in Boat repairs .. wet layup is resin saturated cloth and the catalyst in both Polyester and epoxy resins causes a chemical reaction that is irreversible.
see Vacuum Bagging
Vacuum Bagging Basics
the vacuum causes the outside air pressure to push down and that gets the bubbles out of the resin.
Adding more to the outside is all you may be able to do, patch wont blend in invisible.
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