How to Make a Mold for Fimo

Use a mold with Fimo to make several items of the same shape.

Fimo is a brand of polymer clay commonly used in making jewelry and sculpture. It is cured in a regular household oven. To make replicated shapes with polymer clay, it is easier to use a mold. This allows the artist to make several identical shapes while saving time and effort. To create a mold for Fimo, all that is needed is a hard object, such as a charm, cameo or button, and silicone putty mix. It is quick and easy to make Fimo pieces that look just like the original object.

Things You'll Need

• Small hard objects
• Two-part silicone putty

Instructions

1. Mix equal parts of the two-part silicone putty in your hands until blended. The amount you mix depends on the object's size. Mix enough putty to surround the object with about a 1/4- to 1/2-inch edge. A 1-inch-diameter object, for example, would need about a 1-inch ball of each part of the two-part silicone putty.

2. Roll the putty into a ball and lay it on the work surface. Work quickly before the putty sets.

3. Press the object, right side down, into the putty until the putty meets the bottom edge of the object.

4. Let the putty set with the object in it for 10 minutes or until solid with a smooth, rubbery texture. Time may vary depending on the mold size.

5. Pull the object from the mold. Store the mold in an airtight container or bag to prevent it from drying out.

Tips & Warnings

• Some two-part silicone putty molds are oven-safe. Check the container label for details. This allows the Fimo to be baked, or cured, while still in the mold, if desired.

• Flat-back objects work best in making molds for Fimo.

References

• Sculpt.com: Easy Mold – Silicone Putty
• YouTube: Make Mine Magazine – Make a Mold with Silicone Putty
• Make Your Own Molds: Silicone Plastique Food Grade Silicone Mold Putty