Resin is a durable, versatile medium that is highly suitable for sculptures. However, resin is a liquid when mixed, making it impossible to sculpt with until it has hardened. The best way to make a resin statue is to make a sculpture from another material, then use it to create a mould for the resin sculpture. With a mould, you can make a number of identical resin sculptures or parts for sculptures.
- Skill level:
- Moderately Easy
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Things you need
- Small statue or other item to be sculpted
- Heavy cardboard
- Non-hardening clay (sulphur-free)
- Rubber mould kit
- Rubber bands
- Casting resin
- Plastic cup
- Craft stick
- Craft knife
Cover your workspace with newspaper or a dropcloth.
Tape the cardboard together to construct a box that is large enough to easily contain your statue.
Roll the clay in your hands to make it warm. Press it into the bottom of the box.
Press the sculpture halfway into the clay. Make some shallow indentations in the clay to help you align the mould later. Leave an opening for you to pour the resin into. You can press the base of the sculpture against a side of the box or remove a small amount of clay from the top or bottom to make the opening.
Mix the rubber according to the instructions on the container. Each brand mixes slightly differently. Choose rubber that has a slow curing time. Rubber moulds normally need special equipment to remove bubbles, but if the rubber has a slow casting time, most of the bubbles will rise to the top.
Pour the rubber into the mould. Wait for it to set. This can take nearly a day.
Turn the mould over and remove the clay. Mix more rubber and pour it in the other side of the box. Wait for this rubber to set. You will have a two-part mould.
Remove the cardboard frame and peel the halves of your mould apart. Remove the sculpture.
Secure the two halves of the mould together with rubber bands. Spray the mould beforehand with mould release if you plan to use the mould repeatedly. This will help preserve the mould.
Mix the casting resin in the plastic cup with the craft stick according to the manufacturer's directions. Resin consists of two substances that are mixed together to start the chemical curing process. Be thorough, but try not to create bubbles in the mixture.
Pour the resin into the mould slowly. Try to not add any air bubbles. Tap the mould to try to release any trapped air.
Wait for the resin to cure. The time will vary depending upon the temperature, size of the part and type of resin. Some resins cure quickly; others take a day or two.
Remove the resin sculpture from the mould. It will likely show seams from resin spilling into the cracks of the mould. Trim these off carefully with a craft knife.
Finish the sculpture as desired with paint or other mediums.
Tips and warnings
- You can make the box from many other mediums such as thin pieces of wood or Legos, which are appealing because they can be reused.
- Work in a well-ventilated area.
- Resin can become very hot as it cures.
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