What is the primary process used for creating ornamental items from resin?

The primary process used for creating ornamental items from resin is resin casting. This technique involves pouring liquid resin into a mold, allowing it to harden and take on the desired shape. Resin casting is particularly popular for decorative objects because it provides versatility in design, enabling artists and craftsmen to create intricate patterns and finishes.

Resins can be mixed with additives, colors, and even embedded materials, resulting in unique, customized pieces. The curing process can be controlled, and the properties of the resin can be tailored to achieve various effects, such as transparency or translucency, which is often desired in ornamental items.

While other processes like pressure casting and injection molding are used in different contexts, resin casting stands out specifically for its ability to create detailed and visually appealing ornamental products. Sintering, on the other hand, involves compacting and heating powdered materials, which is not applicable when creating ornamental items specifically from resin. Thus, resin casting is the most appropriate method for this purpose.