Spirograph Black PendantThe Spirograph Pendant has looping lines that call a certain drawing device to mind. But the finesse with which it was created by designer Tom Caldwell makes this machined piece a light and airy wonder beyond the skills of an amateur. The black pendant has a solid brass interior in a vintage brass finish and wrought iron ribs that are painted black. Tom recalls he was inspired by mid century modern designs when he conceived this round pendant.