Silicone molds are flexible tools used to create copies of objects for movies, theater, and other creative projects. Think of them like rubber stamps that can copy complex 3D shapes instead of just flat images. Prop makers use these molds to duplicate props, costume pieces, and special effects elements quickly and accurately. The molds are made from liquid silicone that hardens around an original object (called a master), creating a flexible negative that can then be used to make multiple copies using various materials like resin, foam, or plastic.
Created detailed Silicone Molds for hero props on major film productions
Developed efficient Silicon Mold techniques for mass prop production
Managed Silicone Molding department for theatrical prop workshop
Typical job title: "Prop Makers"
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Q: How would you approach creating molds for a complex prop that needs to be reproduced 100 times?
Expected Answer: A senior prop maker should discuss assessment of the original piece, choosing between one-piece or multi-piece molds, material selection for both mold and casting, and production scheduling. They should mention cost considerations and potential automation of the process.
Q: What safety protocols do you implement when working with silicone and casting materials?
Expected Answer: Should demonstrate knowledge of ventilation requirements, personal protective equipment, material storage, and handling procedures. Should also mention training requirements for team members and emergency protocols.
Q: What are the different types of silicone molds and when would you use each?
Expected Answer: Should explain one-piece molds versus multi-piece molds, brush-on versus pour methods, and when to use each based on the object's complexity and production requirements.
Q: How do you prevent common molding problems like air bubbles and tears?
Expected Answer: Should discuss proper mixing techniques, release agents, proper pouring methods, and identifying potential problem areas in the original object.
Q: What basic tools and materials are needed for silicone mold making?
Expected Answer: Should list essential items like silicone, release agents, mixing containers, and basic safety equipment, showing familiarity with standard mold-making supplies.
Q: Describe the basic process of making a simple one-piece mold.
Expected Answer: Should be able to explain the steps from preparing the original object through to final demolding, including mixing silicone and basic safety precautions.