Moulding and Casting

:sparkles: Updated for 2024 evaluation standards!

  • Group assignment:

    • Review the safety data sheets for each of your molding and casting materials
    • Make and compare test casts with each of them
    • Compare printing vs milling molds
  • Individual assignment:

    • Design a mold around the process you'll be using, produce it with a smooth surface finish, and use it to cast parts.

Learning outcomes

  • Design appropriate objects within the limitations of your process
  • Demonstrate workflows used in mold design, construction and casting

Have you answered these questions?

  • Linked to the group assignment page and reflected on your individual page what you have learned
  • Reviewed the safety data sheets for each of your molding and casting materials, then made and compared test casts with each of them
  • Documented how you designed and created your 3D mold, including machine settings
  • Shown how you safely made your mold and cast the parts
  • Described problems and how you fixed them
  • Included your design files and ‘hero shot’ of the mold and the final object


Should I make a mold for the group assignment?

Answer: No, group assignment is for you to get familiar with the materials and the processes.

Should I read the material safety data sheet (MSDS) and technical data sheet (TDS) this week?

Answer: Yes, always. Document the main points you have learned, e.g. safety precautions and any other important information.

I want to only make a negative mold and cast something in it. Is that acceptable?

Answer: Yes, if your part can be accurately cast in negative mold without breaking the mold.

Can I 3D print the mold?

Answer: Yes, you can 3D-print your mold if you can produce a smooth surface finish.

:wink: Have a question or feedback? Use this quick link to open an issue in GitLab class repo!

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