Epoxy softens up a little bit under heat. I decambered a pair of skis at around 180 deg in a sauna.
As far as I know, it will "recure" as long as you don't go overboard with the heat. (depending on the type, somewhere around 300 you alter the molecular structure) You just need just enough heat for the epoxy to soften up and reshape with some wood and let cool overnight or so.
You might need a couple of cycles of this to refine the shape though.
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