Hole measure tool, customizable

A simple tool to measure holes and finger rings.Customizable.Set base diameter, decrement, segment height and number of segments.Diameters are engraved on each segment.Many more parameters are customizable, but those four are the essential ones.The provided stl creates a tower in 20 segments, and in steps by 0.5 mm goes from 25mm down to 15.5mm.