modeling-app/rust/kcl-lib/e2e/executor/inputs/pattern_vase.kcl

// Parameters
const r = 50    // base radius
const h = 10    // layer height
const t = 0.005 // taper factor [0-1)
// Defines how to modify each layer of the vase.
// Each replica is shifted up the Z axis, and has a smoothly-varying radius
fn transform = (replicaId) => {
  let scale = r * abs(1 - (t * replicaId)) * (5 + cos(replicaId / 8))
  return {
    translate: [0, 0, replicaId * 10],
    scale: [scale, scale, 0],
  }
}
// Each layer is just a pretty thin cylinder with a fillet.
fn layer = () => {
  return startSketchOn("XY") // or some other plane idk
    |> circle(center = [0, 0], radius = 1, tag = $tag1)
    |> extrude(length = h)
    // |> fillet(
    //        radius = h / 2.01,
    //        tags = [tag1, getOppositeEdge(tag1)]
    //    )
}
// The vase is 100 layers tall.
// The 100 layers are replica of each other, with a slight transformation applied to each.
let vase = layer() |> patternTransform(instances = 100, transform = transform)