: Common materials for beginners to work with include ABS , Nylon , and Acrylic , each having different shrinkage rates that must be accounted for in the mould design. Manufacturing & Prototyping
: The plastic solidifies within the mould to take its final shape. Injection Moulds for Beginners
For a deep dive into the technical details and step-by-step assembly, Rainer Dangel’s Injection Moulds for Beginners is a standard industry resource that uses a practical "bowl with lid" example to teach the fundamentals. Injection Moulds for Beginners | ScienceDirect : Common materials for beginners to work with