A quantity figure (metres, model world coordinates) as overlay items in raw model mm: an area per
polygon (lifted lift mm along its normal), a path per polyline, two arrows per dimension, paths
for a box's edges. Every item gets id + "#" + n and the common fields
A quantity figure (metres, model world coordinates) as overlay items in raw model mm: an area per polygon (lifted
liftmm along its normal), a path per polyline, two arrows per dimension, paths for a box's edges. Every item gets id + "#" + n and thecommonfields