Trim a small scrap of wood to the desired size using a saw. Sand to smooth.

Trace the wood onto paper. You can trace all six sides or just the main two. Cut out the paper and set aside.

Paint the wood with acrylic paint. Let dry.

Attach paper to the wood using Mod Podge. Let dry and then give two additional coats. Let dry.

Use an awl to mark the wood for the screw eye. Attach the screw eye hook (push firmly).

Attach the keychain link to the screw eye using pliers.