The id instance nodes refer to the part by; it must be unique among the parts.
The geometry of the part, shared by every instance of it.
The name of the part, written into STEP files and shown by viewers.
OptionalcolorThe color of the part as { r, g, b, a } from 0 to 1; left out, the part has no color of
its own.
A part definition for
assembly.manager.createPart: a shape with an id that instance nodes place, as many times as needed.