Mould Compound


Using a mould

Found objects: Items such as antique buttons make great moulds. Be sure not to mould copyrighted items. However, if a design is changed significantly then it is not infringing copyright. We recommend not using anything that has a copyright to avoid any issue.

Original art

Your own original art is the most rewarding for making moulds. You can create a prototype in polymer clay. This allows you to work slowly and experiment along the way. Alternatively you can make a mould of a fired piece of PMC.

Two part mould compound

This two part mould compound remains flexible and requires no release agent when used with PMC.

Making moulds

  1. Take an equal amount of the two different coloured mould compounds.
  2. Rapidly and aggressively knead to two together until they become a uniform colour.
  3. Roll the mixed compound into a ball and then a cone shape.
  4. Place the compound onto a piece of paper and push the object as far as is necessary. Push the compound up around the edges of the object. (Do not cover it completely as you won’t be able to get it out.)
  5. Allow this to set for 15-60 minutes. A finished mould will not dent when you push it with your fingernail.
  6. To test if the mould is ready simply try to gently peel the compound off the object. If ready the mould compound will come away easily without leaving a residue.
  7. When set remove your original and the mould will be ready to use.


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