OptionalwireThe diameter of the wire, in model units.
OptionaldiameterThe outside diameter of the coils, in model units; more than three times the wire's.
OptionalactiveHow many coils spring, besides the closed coil at each end; it may be a fraction.
OptionallengthThe spring's length from one ground end to the other, free or compressed; at least the solid length, where every coil touches the next.
OptionalframeWhere the spring stands: its bottom end's centre on the origin and its axis along the normal. Left out, the ground, facing +Y.
A compression spring with closed and ground ends for
parts.mechanical.springs.compressionSpringand its twin with face roles: its wire, its coils, its length as it stands and where it stands.