interior elevation; expansion plan (of a ship)
Technical term in architecture and shipbuilding. Refers to a drawing showing the interior layout or the expanded hull plating plan.
The designer checks the shape of the ship's hull plates using the expansion plan.
This interior elevation shows the interior details of each room.
net (of a polyhedron); development
Mathematical term for a flat pattern that can be folded to form a polyhedron. Common in geometry and papercraft.
I drew the net of a cube on paper and cut it out.
By looking at the net, you can tell which faces are adjacent.
見取図 is a rough sketch or floor plan, less precise than the technical 展開図.
Compound of 展開 (てんかい, 'unfold, expand') and 図 (ず, 'diagram'). The term directly describes a diagram that is 'unfolded' or 'expanded'.