Figurines can be made from poly resin using silicon moulds. Most silicon moulds are made of at least two parts, although some have one part and are flexible. One-part moulds are made to be peeled away from the resin after hardening. Silicon moulds are available at most art and hobby supply stores, or they can be made at home using silicon sold for making moulds. Poly resin comes in two parts, the resin and the catalyst, which are mixed immediately before use.
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Things you need
- Petroleum jelly
- Silicon mould
- Acrylic paint
Coat all inside areas of the mould with a thin layer of petroleum jelly to prevent the resin from sticking.
Attach the two halves of the mould using the clips provided, clothespins or rubber bands. Skip this step with a one-part mould.
Combine the needed amount of resin in a bucket with the catalyst. Different brands of resin have different ratios, so follow the mixing instructions carefully to ensure that the resin will cure correctly. Mix well using a stir stick or other tool.
Pour the poly resin mixture into the mould and allow it to harden for four to six hours. Smaller figurines require less time to cure, and larger moulds require more time.
Remove the clips, if using a two-part mould. Peel back one side of the mould at a time and remove the figurine. Wash the mould with grease-cutting soap such as dish detergent.
Tips and warnings
- The figure can be painted with any water-based paint. Acrylic paints are widely used.
- If the figurine requires sanding or carving, wear a respirator mask because the dust from poly resin can be toxic.
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