noun
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.
設計者は展開図を使って船の外板の形状を確認する。
The designer checks the shape of the ship's hull plates using the expansion plan.
この展開図には各部屋の内装が詳
This interior elevation shows the interior details of each room.
noun
net (of a polyhedron); development
Mathematical term for a flat pattern that can be folded to form a polyhedron. Common in geometry and papercraft.
立方体の展開図を紙に描いて切り取った。
I drew the net of a cube on paper and cut it out.
展開図を見れば、どの面が隣り合うかがわかる。
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'.