lower_flat_strip_first_size
1½×½″1.5 in
First component of explicit composite flat-strip size clause; source not a wall/room dimension. Source-local original-layer witness; no accepted installation, clear geometry, quantities or world coordinates.
Drawing notation: 1½×½″
First component of explicit composite flat-strip size clause; source not a wall/room dimension. Source-local original-layer witness; no accepted installation, clear geometry, quantities or world coordinates.