Open Trench Bay

The temporary works of an open dig, as a connecting part: a 4 m bay of trench 1.2 m wide and 1.5 m deep, its top edge on y=0 and its sides battered 1:4, with a 2.4 m aluminium trench box and two adjustable struts landed in it.

风格：low-poly, flat-shaded vertex colors, no textures, single shared material, so any set of these merges to one draw call; shares palette and scale with its kit