Handcar

Four-wheel pump handcar a two-person crew pumps along the line: a timber deck about 2.6 m long on four flanged wheels that turn with the pump on the rig, a central A-frame walking beam with a T-handle at each end on a lever knob (one end down to the other).

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