オススメ機能付き3D空間モデリングソフト。[3D space modeling software with the recommended function]

"Chateau"-A Suggestive Interface for 3D Drawing by Takeo Igarashi.

マジカルスケッチやラクガキ王国と同じ開発者によるもの。windows専用。
A thing by the developer same as MagicalSketch and Magic Pengel. windows is for exclusive use.