Bleachers
A stepped aluminium grandstand with plank seats, footboards, back and side railings, optional closed risers and a crowd of seated fans in team colors.
… trisPro
import * as THREE from "three";
import create from "https://tridsy.com/api/v1/assets/stadium-bleachers/export?format=js";
// A live, parametric object — tweak knobs at runtime:
scene.add(create(THREE));
scene.add(create(THREE, { seed: 42 }).translateX(6));