Professional ball calibrator

A collapsible calibrator for professional use by aerodesigners will allow you to easily perform a wide variety of techniques for weaving garlands, making figures from balls and complex compositions.

Made of 5.5mm plywood, which guarantees durability, Has 32 holes of different diameters from 4 cm to 14 cm in 0.5 cm increments, From 14 cm to 25 cm in 1 cm increments.