When the egg is leather-hard, a tiny hole must be pierced through the bottom to prevent cracking upon firing.

When the egg is leather-hard, ...

Several layers of slip are applied with a brush.

Several layers of slip are applied with a brush.

Several layers of slip are applied with a brush.

Several layers of slip are applied with a brush.

Several layers of slip are applied with a brush.

After drying, the surface is burnished with a rib or scraper.

Use a thin paper band to divide evenly the perimeter.

Use a thin paper band to divide evenly the perimeter.

Vertical lines are drawn at each point.

Vertical lines are drawn at each point.

Vertical lines are drawn at each point.

Vertical lines are drawn at each point.