Molder (noun)

A person or machine that shapes or forms materials by applying pressure.

Origin:

From mold ("to shape or form by applying pressure") + -er.

Examples:

1. He is a molder who works with plastic materials.
2. She is a molder who creates molds for casting metal objects.
3. The molder used a press to shape the plastic into the desired form.
4. The molder used a computer-controlled machine to create precise molds.
5. The molder is responsible for creating the molds used in the manufacturing process.