清質且透明的量體勾勒出整體結構，猶如鉛筆速寫的線條在各處添上濃淡陰影。角落處點綴粗糙且帶有漸層的紋理，增加細節質感，一派寫意。

The clean and transparent volume outlines the overall structure, as if the lines which sketched by pencil add heavy and light shadows everywhere. The corners are dotted with rough and gradual textures to increase the texture of the details and feel freehand.