1 prop, physics-based sandbox game, Garry's Mod, ACF addon, detailed engine model, metallic texture, interactive vehicle construction, complex machinery, multiplayer collaboration, workshop tools, custom creations, sandbox environment, dynamic shadows, indoor lighting, workshop clutter, scattered parts, steel beams, concrete floor, sparks from welding, mid-action pose, player character with tool gun, creative building process, 3/4 view, focused ambient light, high-resolution textures, realistic materials, depth of field, wide-angle lens.