For the panda eyes, I taped a round acrylic ornament in half. This created a fantastic, concave eye socket. I used the same technique on my alien heads. Pressing the concrete paper clay into the recessed curve took a little patience. A round sponge helped blend and smooth.
Panda Eyes
![Rebecca Ruggles adding concrete clay over the panda sculpture.](https://rebeccaruggles.com/wp-content/uploads/2023/10/Adding-Clay-Over-Eye-Cups-by-Rebecca-Ruggles.jpg)