Petroglyph Boulder

A rounded grey-black basalt boulder about 1.6 m long with one broad smooth sloping face carrying shallow pecked Rapa Nui petroglyphs cut as real relief grooves. Knob: carving tangata manu.

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