diff --git a/manim/mobject/three_d/three_dimensions.py b/manim/mobject/three_d/three_dimensions.py
index ccbc4dea91..86ecf0917c 100644
--- a/manim/mobject/three_d/three_dimensions.py
+++ b/manim/mobject/three_d/three_dimensions.py
@@ -1254,7 +1254,7 @@ def __init__(
         resolution = resolution if resolution is not None else res_value
 
         self.R = major_radius
-        self.r = minor_radius
+        self.minor_radius = minor_radius
         super().__init__(
             self.func,
             u_range=u_range,
@@ -1272,4 +1272,6 @@ def func(self, u: float, v: float) -> np.ndarray:
             The z values defining the :class:`Torus`.
         """
         P = np.array([np.cos(u), np.sin(u), 0])
-        return (self.R - self.r * np.cos(v)) * P - self.r * np.sin(v) * OUT
+        return (
+            self.R - self.minor_radius * np.cos(v)
+        ) * P - self.minor_radius * np.sin(v) * OUT