Describes how a numeric parameter maps to a real length.
Recipes may keep their established storage format (for example 100 for 100 percent) while every editor presents the value in the view's selected production unit.
100
Optional
Defaults to world-unit, unless the legacy parameter unit is %.
world-unit
%
Semantic part id. Omit it to use the complete product bounds.
Source unit when storage is physical.
storage
physical
Describes how a numeric parameter maps to a real length.
Recipes may keep their established storage format (for example
100for 100 percent) while every editor presents the value in the view's selected production unit.