DIY Jewelry: Cast a Piece of Jewelry
Make a cast pendant using air-dry clay and a simple mold, then sand, paint, and seal your handmade jewelry for wearing.
About this activity
Make a cast pendant using air-dry clay and a simple mold, then sand, paint, and seal your handmade jewelry for wearing.
What you need
Step by step
- 1
Step 1
Lay a sheet of parchment paper on your table to protect the surface.
- 2
Step 2
Tear off a small piece of air-dry clay and knead it until it feels soft and pliable.
- 3
Step 3
Press the clay firmly into your chosen mold so it fills the whole shape.
- 4
Step 4
Use a plastic knife to trim any extra clay so the edges are neat with the mold rim.
- 5
Step 5
Smooth the top and edges of the clay in the mold with a damp finger or a small tool.
- 6
Step 6
Poke a small hole near the top of the clay shape using a toothpick so a cord can go through later.
- 7
Step 7
Gently lift the clay piece out of the mold and place it on the parchment paper to dry.
- 8
Step 8
Let the clay piece dry completely at room temperature for about 24 hours or until it is hard.
- 9
Step 9
Lightly sand the dried piece with fine-grit sandpaper to smooth any rough spots and wipe away dust with a paper towel.
- 10
Step 10
Paint your pendant with your chosen colours and let the paint dry completely.
- 11
Step 11
Brush on a thin layer of clear sealer and let it dry; then thread the necklace cord or ribbon through the hole and tie a secure knot to finish your jewelry.
- 12
Step 12
Share a photo of your finished handmade pendant on DIY.org so everyone can see your creation.
Fun facts
How do you make a DIY cast pendant using air-dry clay?
To make a cast pendant with air-dry clay, press a small ball of clay into a simple mold (silicone mold, bottle cap, or cookie cutter on a flat surface). Smooth edges, insert a straw or toothpick to create a hole for a jump ring. Let the piece dry completely (24–72 hours), then sand gently with fine-grit sandpaper. Paint with acrylics and seal with a clear varnish or Mod Podge. Attach a jump ring and cord. Supervise cutting, sanding, and sealing steps.
What materials and tools do I need to cast a clay pendant?
You’ll need air-dry clay; a simple mold (silicone molds, bottle cap, or cookie cutter); a rolling pin or smooth bottle; a clay knife or butter knife; a straw or toothpick to make a hole; fine-grit sandpaper (220–400); acrylic paints and brushes; clear sealer (water-based varnish or Mod Podge); jump rings and cord or chain. Optional items include gloves, an apron, texture tools, glitter, or pressed botanicals for decoration.
What ages is casting a clay pendant suitable for?
This craft suits children aged about 5 and up with adult supervision. Toddlers (3–4) can join by pressing simple shapes and decorating, but adults should handle molding, creating holes, sanding, and sealing. Kids 8+ often manage shaping, sanding, and painting with guidance. Consider each child’s fine motor skills, attention span, and safety around small parts and sanding dust when deciding how independent they can be.
What are the benefits, safety tips, and variations for DIY clay jewelry?
Making clay pendants improves fine motor skills, creativity, problem-solving, and self-esteem from making wearable art. Use non-toxic air-dry clay and keep small parts away from children under 3. Sand in a well-ventilated area, clean up dust, and apply sealers outdoors or with ventilation. Variations include embedding dried flowers, adding glitter, using metallic paints, stamping textures, or converting pieces into magnets, keychains, or matching family gifts.
Watch & Learn
Need help?
What can I use if I don't have air-dry clay or a store-bought mold?
You can use oven-bake polymer clay (bake per package instructions) instead of air-dry clay and household items like bottle caps or silicone ice-cube trays as molds, placing your work on parchment paper or a silicone mat as in step 1.
The clay stuck to the mold or tore when I poked the hole—how do I fix it?
To prevent sticking or repair tears, dust the mold with a little cornstarch before pressing (step 3), smooth and reinforce torn areas with a damp finger, and lift onto the parchment paper to dry fully (steps 6–8).
How can I adapt the steps for younger or older kids?
For younger children use larger shallow molds, have an adult pre-poke the toothpick hole and use a dull plastic knife for trimming (steps 3–5), while older kids can try oven-bake clay and more detailed sanding and painting (steps 8–10).
How can we personalize or upgrade the pendant after making the basic piece?
Before drying press in tiny beads or a metal charm (step 3), sand after it hardens (step 9), apply multiple coats of clear sealer (step 10), or add a jump ring and more decorative cord instead of ribbon for a professional finish.