// t=7 (objects: 3, operations: 2, transforms: 3)
let s1: Obj = translate(sphere(0.8), -3, 0, 0)
let s2: Obj = sphere(1.2)
let s3: Obj = translate(sphere(0.8), 3, 0, 0)
let u1: Obj = union(s1, s2)
let u2: Obj = union(u1, s3)
let scene: Obj = scale(u2, 1.5)
cast(scene)