diff --git a/src/specctra/design.rs b/src/specctra/design.rs
index fc4cf5e..a7f8768 100644
--- a/src/specctra/design.rs
+++ b/src/specctra/design.rs
@@ -99,15 +99,15 @@ impl SpecctraDesign {
                         let angle_from = bend.start_angle();
                         let angle_step = bend.spanned_angle() / segment_count as f64;
 
-                        let mut points = Vec::new();
-                        for i in 0..=segment_count {
-                            let x = circle.pos.x()
-                                + circle.r * (angle_from + i as f64 * angle_step).cos();
-                            let y = circle.pos.y()
-                                + circle.r * (angle_from + i as f64 * angle_step).sin();
-                            points.push(structure::Point { x, y });
-                        }
-                        points
+                        (0..=segment_count)
+                            .into_iter()
+                            .map(|i| angle_from + i as f64 * angle_step)
+                            .map(|phi| {
+                                let x = circle.pos.x() + circle.r * phi.cos();
+                                let y = circle.pos.y() + circle.r * phi.sin();
+                                structure::Point { x, y }
+                            })
+                            .collect()
                     }
 
                     // Intentionally skipped for now.