diff --git a/OSCADSharp/OSCADSharp.UnitTests/SphereTests.cs b/OSCADSharp/OSCADSharp.UnitTests/SphereTests.cs
index 6337958..c7d296a 100644
--- a/OSCADSharp/OSCADSharp.UnitTests/SphereTests.cs
+++ b/OSCADSharp/OSCADSharp.UnitTests/SphereTests.cs
@@ -53,5 +53,21 @@ namespace OSCADSharp.UnitTests
             Assert.IsTrue(script.StartsWith("sphere("));
             Assert.IsTrue(script.EndsWith(");"));
         }
+
+        [TestMethod]
+        public void Sphere_CloneCoversEveryAttribute_copyWithAllAttributes()
+        {
+            var sphere = new Sphere()
+            {
+                Diameter = 10,
+                MinimumAngle = 5,
+                MinimumFragmentSize = 5,
+                Resolution = 30
+            };
+
+            var clone = sphere.Clone();
+
+            Assert.IsTrue(sphere.Equals(clone));
+        }
     }
 }
diff --git a/OSCADSharp/OSCADSharp/Solids/Sphere.cs b/OSCADSharp/OSCADSharp/Solids/Sphere.cs
index e3c16c2..42dee6a 100644
--- a/OSCADSharp/OSCADSharp/Solids/Sphere.cs
+++ b/OSCADSharp/OSCADSharp/Solids/Sphere.cs
@@ -80,6 +80,23 @@ namespace OSCADSharp.Solids
                 Radius = this.Radius
             };
         }
+
+        public override bool Equals(object other)
+        {
+            if(other.GetType() == typeof(Sphere))
+            {
+                Sphere otherSphere = other as Sphere;
+                return this.Diameter == otherSphere.Diameter &&
+                    this.Radius == otherSphere.Radius &&
+                    this.MinimumAngle == otherSphere.MinimumAngle &&
+                    this.MinimumFragmentSize == otherSphere.MinimumFragmentSize &&
+                    this.Resolution == otherSphere.Resolution;
+            }
+            else
+            {
+                return base.Equals(other);
+            }            
+        }
         #endregion
     }
 }