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How to Make Sinker Molds

Updated February 21, 2017

Making your own sinkers is a satisfying way to get your hands into the process of catching fish, from start to end. Store-bought moulds for sinkers are available, but making your own sinker mould is a simple project that can be done in a few hours. Making your own sinker moulds will allow you to create the size and shape of sinker you desire, rather than being limited to whatever you can find on the store shelves.

Use the polymer clay to design a prototype of the sinker you wish to use to make moulds.

Bake the polymer sinker according to package directions. Allow the prototype sinker to cool.

Mix the mould-making material according to package directions.

Stick a blob of the mixed mould material into the bottom of the plastic tub.

Put the polymer clay prototype sinker in the centre of the mould material blob and cover it completely with more moulding material.

Allow the moulding material to cure for a few hours.

Remove the plastic tub from the moulding material.

Use the craft knife to cut the mould in half carefully around the polymer sinker. You now have two halves of a mould into which you can pour any material to make sinkers.

Things You'll Need

  • Rubber mould-making material (see the resource section of this article for a suggestion)
  • Polymer clay
  • Plastic tub (such as an old margarine container)
  • Craft knife

References

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About the Author

Shelley Kishpaugh has written numerous articles for Demand Studios and Helium on a wide variety of topics, and she is currently writing a children's book. Kishpaugh received a B.S. in psychology from the University of Colorado and has been writing professionally since 2007.