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Polymer Clay 101: Working with Molds

Photography: Johnny Miller

Source: Martha Stewart


To make big, bold beads inspired by runway trends, use miniature tart tins as molds. You can adapt this technique using different molds to create different sizes and shapes. Making this necklace requires four small and three large beads. 


Tartlet molds, $19 for 72-piece set, by Ateco, from

Premo polymer clay, in Black, $3 for 2oz.,

Sculpey III polymer clay, in Translucent, Sunset, and Lemon,

Premo polymer clay, in Alizarin Crimson, $3 for 2 oz,

Studio by Sculpey polymer clay, in Peacock, $6 for 2 oz, 


  • Polymer clay

  • Miniature tart tins in 1 3/8-inch and 1 5/8-inch sizes 

  • Baking sheet

  • Craft knife


  1. Roll 14 quarter-size balls of clay. Pair colors as desired and push two balls into each tin until full. 

  2. Invert tin onto baking sheet covered with parchment, and press firmly to flatten; trim any excess clay with craft knife. 

  3. Bake clay directly in the tins following the package directions. 

  4. The clay shapes should pop out of the tins once they cool and harden; if they don't, loosen edges with craft knife. 

  5. Use this technique to drill holes in thicker beads. 

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