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Many objects that would make a good mold are too thin to create a good cavity for casting reproductions. This problem can be resolved easily using Safe-D-Clay™.

Original Object to Be Thickened with Safe-D-Clay for Silicone Mold Making
Original Object to Be Thickened with Safe-D-Clay for Silicone Mold Making

Step 1

The wood appliqué pictured here would make a great mold but it is too thin. In this tutorial, Safe-D-Clay™ will be used to thicken the appliqué in order to make a deeper cavity when a mold is made over it.

Modelling and Shaping with Safe-D-Clay
Safe-D-Clay Consistency for Modeling and Mold Making

Step 2

Safe-D-Clay™ is softened by kneading with hands.

Safe-D-Clay Sheeted Between Two Sheets of Parchment Paper
Rolling Safe-D-Clay Between Two Sheets of Parchment Paper

Step 3

The softened clay is elongated in the general shape of the appliqué. The Safe-D-Clay™ is then sandwiched between two sheets of parchment paper and rolled out with a pin to the desired thickness.

Trimming Excess Safe-D-Clay From Original Object Thickened with Sheeted Safe-D-Clay
Wooden Applique Being Applied to Sheeted Safe-D-Clay in Order to Thicken the Object before Mold Making

Step 4

The wooden appliqué is then pressed lightly, detail side up, onto the rolled out Safe-D-Clay™. Using the appliqué as a template, cut through the Safe-D-Clay™ with an exacto knife or a needle tool so that clay remains only underneath the model.

Comparison Between Objects that Have Been Thickened with Safe-D-Clay and Objects that Have Not Been Thickened

Step 5

The model has been thickened and will now create a mold cavity with a usable depth.