In this article, we will demonstrate how to use platinum-cured silicone to make a 3D Santa Claus model. With detailed steps and some handy tips, you can swiftly create a flawless silicone mold and cast a 3D model.
Tools & Materials
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Original model: Santa Claus
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Vaseline mold release agent
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Electronic scale
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Brush
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Plaster
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Mixing container + stirring stick
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Cylindrical mold frame
Step 1: Prepare the Original Model
First, thoroughly clean and dry the 3D Santa Claus model. Evenly apply a layer of Vaseline mold release agent to the surface of the original model. This step ensures that the silicone can be easily separated from the original model after curing.
Step 2: Mix the Silicone
Estimate the amount of silicone needed, and weigh out parts A and B of the platinum-cured silicone in a 1:1 ratio. Mix the two parts thoroughly. You can also add silicone pigment during the mixing process if desired.
Step 3: Apply the Silicone
Because the Santa Claus model has intricate surface details, start by applying a thin layer of silicone to the surface of the original model. Use a toothpick to pop any bubbles. This step is crucial for making a perfect mold.
Step 4: Secure the Original Model
Secure the original model and cover it with the mold frame. Ensure the bottom of the mold frame is sealed with hot glue to prevent the liquid silicone from leaking out.
Step 5: Pour the Silicone
After ensuring that the first layer of silicone is bubble-free and partially cured, pour in more silicone until it covers the highest point of the original model with an additional 0.5-1 cm of height.
Step 6: Remove the Mold
Wait for the silicone to fully cure (4-6 hours), then cut the mold in half to remove the original model. It is recommended to cut the mold in a zigzag pattern to facilitate easier reassembly later.
Step 7: Reassemble the Mold
Reassemble the cut silicone mold and secure it with rubber bands.
Step 8: Pour the Plaster
Pour plaster into the mold and gently shake the mold to reduce bubble formation. For a perfect cast, it is recommended to use a vacuum device.
Step 9: Touch Up the Mold
After the plaster has set (about half an hour), open the mold and make simple repairs to any flaws. Finally, spray on some color, and you have a perfect Santa Claus replica.
By following these steps, you can easily use platinum-cured silicone to create a beautiful 3D Santa Claus model. It's both fun and practical. Happy crafting!