Ovals roller

Tool for building ovals (prolate spheroids) of various sizes (12x6 14x8 16x10 mm).
The recesses on the side measure the volume of polymer clay needed for each oval.

**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 - https://www.thingiverse.com/thing:7305589
* Ovals roller - this thing