Plaster Pattern Caster

Cast and finish plaster patterns.
picture of Plaster Pattern Caster

Quick Stats


Salary Range
$19,000 – $44,000

Data from U.S. Department of Labor


What do Plaster Pattern Casters do?

Casts and finishes plaster patterns used in making precision sand molds for dies, tools, and machine parts, according to specifications: Constructs boxlike enclosure around part to be cast, filling in cracks and openings with clay. Lubricates surface with parting agent that prevents plaster from sticking to part. Mixes plaster and pours it into enclosure. Reinforces plaster with hemp fiber and small steel rods or heavy wire. Removes hardened plaster cast from enclosure. Patches broken edges and fractures, using clay or plaster. Trims plaster pattern to tolerance by scraping and shaping plaster surfaces by hand following blueprint, using flat metal scrapers. Verifies dimensions, using measuring instruments, such as calipers, vernier gauge, and protractor. Makes identifying marks on pattern with crayon, inked rubber stamps, or pointed tool. Shellacs finished surfaces to harden and smooth them.


Should I be a Plaster Pattern Caster?

You should have a certificate degree or higher and share these traits:
  • Detail Oriented: You pay close attention to all the little details.
  • Reliable: You can always be counted on to do a good job.
  • Trustworthy: You are known for your personal integrity and honesty.

  • Also known as: Patternmaker, Pressure Cast, Plaster Caster

    How to become a Plaster Pattern Caster

    We recommend at least a Certificate. Check out these schools offering Plaster Pattern Caster-related education!
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