Any thoughts or tips on using PLA printed injection molds for soft plastic lures? Should I coat the mold with epoxy? Only use the print to cast a silicon mold? Other half

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Wood surface has lots of white bubbles/spots after applying second

Wood surface has lots of white bubbles/spots after applying second

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Does Anyone know how I may be able to recreate this pattern? Is it

3D Printed Soft Plastics Molds - 3D Printing - Electronic Component and Engineering Solution Forum - TechForum │ DigiKey