diff --git a/manimlib/mobject/geometry.py b/manimlib/mobject/geometry.py
index 45bd0dbe..8290d304 100644
--- a/manimlib/mobject/geometry.py
+++ b/manimlib/mobject/geometry.py
@@ -226,14 +226,9 @@ class Arc(TipableVMobject):
         start_angle: float = 0,
         n_components: int = 8
     ) -> Vect3:
-        samples = np.array([
-            [np.cos(a), np.sin(a), 0]
-            for a in np.linspace(
-                start_angle,
-                start_angle + angle,
-                2 * n_components + 1,
-            )
-        ])
+        n_curves = 2 * n_components + 1
+        angles = np.linspace(start_angle, start_angle + angle, n_curves)
+        samples = np.array([np.cos(angles), np.sin(angles), np.zeros(n_curves)]).T
         theta = angle / n_components
         samples[1::2] /= np.cos(theta / 2)