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i would think it'd be only about $100 to make a decent set of molds for a jet pack


OOMOO30 silicone rubber and some fiberglass for the mother mold


about $85 worth of rubbed and $15 for fiberglass resin and matting.



it doesn't need to be thick, just well supported.


of course. if he's doing a run, more money should be spent for a very sturdy mold.


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