- Select leaves, seeds, shells, and other natural materials for making imprints. Avoid delicate flower petals, which may not withstand imprinting pressure.
- Start with a clean, dry surface protected with a poster board or plastic sheet that will not move when rolling — a large cutting mat provides an excellent surface as well.
- Roll clay into a 1" diameter ball, then flatten it with a rolling pin.
- Place the leaf on the clay, then roll over it a few times until it is securely pressed into the clay.
- Use your finger or a small, soft brush to pick up powdered pigment from the jar. Use small amounts to avoid waste and mess — a little bit goes a long way! Smooth the pigment over the clay and back of the leaf, gently rubbing the pigment into the clay.
- Remove the leaf. The “fossil” imprint will be the original color of the clay, but may be tinted with a contrasting color if desired. Trim the edges of the clay with a knife — or leave as is for a more natural look.
- If desired, turn the clay over to apply pigment to the back, and create a hanging hole before the clay dries.
- Allow to dry for approximately 24 hours, then seal with a matte or gloss varnish.