Ancient Plumb Bob STL - Roman Builder's Plummet Replica

A turned-style plumb bob with a stack of rounded bands forming a barrel-shaped body, a conical point at the bottom, and a round cap on top fitted with a small ring loop for the string. The plumb bob is one of the oldest building tools: a weight on a line that hangs straight down to show a true vertical. It was used in ancient Egypt, and Roman builders (who called the plumb line perpendiculum) relied on it for walls, columns and surveying, including the hanging lines of the groma. At about 42 mm…

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