Eggs roller

Tool for building eggs of various sizes (11x8 14.5x10 16x12 mm).
The recesses on the side measure the volume of polymer clay needed for each sphere.

My collection of rollers:

• Sphere roller 6 8 10 12 mm - https://www.thingiverse.com/thing:7263341
• Sphere roller 5 7 9 11 mm - https://www.thingiverse.com/thing:7284435
• Sphere roller (imperial units) - https://www.thingiverse.com/thing:7272582
• Conical beads roller - https://www.thingiverse.com/thing:7293209
• Eggs roller - this thing