How to make a soft plastic mold

Written by jessica frame
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How to make a soft plastic mold
Create soft plastic moulds to make fishing lures. (worm on hook image by mashe from

Soft plastic moulds are an inexpensive way to duplicate a particular item that is used a lot. Many fishermen make soft plastic moulds to re-create their favourite fishing lures. Fishing lures are small, making them easy to make a mould from, and the mould can be reused again and again.

Skill level:

Things you need

  • Newspaper
  • Lure
  • Small mould cup
  • Vaseline
  • Plaster of Paris
  • Craft knife
  • Mod Podge

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  1. 1

    Prepare a work area on a flat surface using newspaper.

  2. 2

    Select a lure you would like to make a mould for.

  3. 3

    Apply a layer of vaseline on the lure and the inside of the plastic mould cup.

  4. 4

    Mix the plaster of Paris as per the manufacturer's instructions and pour the plaster into the plastic mould cup. There are other things that can be used to hold the plaster, such as pie tins, plastic bowls or small cardboard boxes.

  5. 5

    Place the lure in the plaster and press the lure down so that the entire lure is covered except for a small portion of the top.

  6. 6

    Allow the plaster to dry or harden. This process can take up to an hour or more depending on the amount of plaster used.

  7. 7

    Remove the lure very carefully from the mould. If the lure can't be removed from the mould, use a craft knife to gently scrape away some of the plaster from the top of the mould and try to remove the lure again.

  8. 8

    Coat the inside of the mould with Mod Podge and allow it to dry.

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