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