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13. Molding and casting

Group assignment:

  • Review the safety data sheets for each of your molding and casting materials

  • Make and compare test casts with each of them

To see our group assignment click here

Individual assignment:

  • Design a mold around the stock and tooling that you'll be using, mill it (rough cut + (at least) three-axis finish cut), and use it to cast parts.

Week X: Molding and Casting – Custom Country Map Keychain

This section document the design, fabrication, and casting process for a custom keychain featuring the geographical map of my country. The workflow involves 3D modeling the mold, 3D printing the master mold, and casting using silicone.


1. keychain 3D Modeling (SolidWorks)

Final engraved crystal  front view

Final engraved crystal  front view Final engraved crystal  front view Final engraved crystal  front view Final engraved crystal  front view Final engraved crystal  front view

1.1 Big card 3D Modeling (SolidWorks)

Final engraved crystal  front view

Final engraved crystal  front view


2. Mold Fabrication (3D Printing)

Final engraved crystal  front view

Final engraved crystal  front view

Final engraved crystal  front view

Final engraved crystal  front view

Final engraved crystal  front view

3. Mold Fabrication (3D MILLING)

Final engraved crystal  front view

Final engraved crystal  front view

Final engraved crystal  front view

Final engraved crystal  front view

3. Materials and preparing

4 Files

File Description
Download project files 3D model and fabrication files