How to cast toy soldiers

Written by tom king
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How to cast toy soldiers
Metal soldiers offer modelers high levels of detail. (french soldier image by Luisafer from

Casting toy soldiers is similar to the injection moulding process used to make plastic toy soldiers, only the casting material relies on gravity rather than a pressurised pump to distribute the moulding material throughout the mould. Cast metal soldiers can be highly detailed using today's tin-based low melting point alloys. Often called "lead soldiers," metal soldier figures have not been made from lead since its use was banned in children's toys in 1966. Today's commercial moulds provide highly detailed models which, when painted, show a high degree of detail.

Skill level:

Things you need

  • Ladle
  • Mold release solution
  • Low-melting point tin allow moulding metal
  • Propane torch, Bunsen burner, candle or other heat source
  • Commercial toy soldier mould
  • Rubber bands
  • Sharp hobby knife
  • Fine sandpaper
  • Paintbrushes
  • Metal figure paint

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  1. 1

    Lay the commercial mould halves flat on the table and brush a thin coat of mould release solution over the inside of the impression and between the halves of the mould plate to insure proper separation and release of the figure once moulded and cooled.

  2. 2

    Press the halves of the mould together, making sure to align any guide bars or pins and the pour holes. If it's a large mould or if it contains multiple figures on the same mould blank it may have multiple pour holes. Wrap the outside with heavy duty rubber bands, even if the mould comes with its own snaps or fastener. The tighter the halves come together, the less trouble you'll have with flashing and mismolded parts.

  3. 3

    Cut off and weigh bits of the casting metal to make sure you have enough to pour the figure or figures in one pour. Doing it in a single pour helps prevent gaps in the mould and the formation of air bubbles. A small figure can use as little as 12 grams and a large one can use 250 grams of metal or more. Use a toothpick to make sure the pour holes in the mould are clear and then put the metal pieces into the ladle.

  4. 4

    Use the appropriate heat source to heat the ladle and thoroughly melt the casting metal. Different alloys have different melting points. Tin/bismuth alloy melts about 71.1 degrees C, for instance. You can reach that temperature with a candle flame, while harder metals may require heating over a Bunsen burner or propane torch.

  5. 5

    Decant the molten metal from the ladle into the pour holes. Pour slowly with the mould turned so the pour hole or holes are on the high side. Make sure the metal is hot and fully liquefied so it can flow throughout the mould. This prevents cavities and air holes from forming during casting.

  6. 6

    Allow the mould to cool on a heat resistant surface for a half hour or more before removing the rubber bands and fasteners. Carefully separate the mould halves. You may have to gently lift the corners of the figure from the mould with the tip of your hobby knife to release it from the mould. Work slowly to avoid damaging the mould or the figure.

  7. 7

    Trim the figure with your hobby knife to remove any flashing or bleeds and to remove the pour holes or extraneous mould channels. Use fine sandpaper to sand away seams, trim marks and imperfections acquired during the pour.

  8. 8

    Paint and clear coat your metal soldiers following picture colour guides of the original uniforms and equipment of the soldier models you have made. A hobby shop or online hobby supplier will be able to sell you paints in military colours that are specifically designed for painting metal figures.

Tips and warnings

  • If the casting turns out badly, simply remelt the figure and try again till you get it right. It may take several times to get a well made figure.
  • Use gloves when handling freshly moulded figures to prevent the oil from your hands getting on the figure before you've painted it.
  • Don't dip the mould in cold water to accelerate cooling, as this can cause uneven cooling and damage the figure when you try to remove it from the mould.
  • Only use paint that is made for the kind of metal you used in casting the figures.
  • Don't forget to wear gloves when handling hot metal.
  • Wear eye protection in case hot metals sputter during heating and wear thicker clothing or an apron while handling the ladle with hot metal in it.
  • Be sure your work table is protected from hot tools and spills of hot metal.
  • Be careful not to drop still-warm figures while removing from moulds to prevent damage to the malleable metal.

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