diff --git a/OSCADSharp/OSCADSharp/OSCADObject.cs b/OSCADSharp/OSCADSharp/OSCADObject.cs
index 6b3584a..8f51055 100644
--- a/OSCADSharp/OSCADSharp/OSCADObject.cs
+++ b/OSCADSharp/OSCADSharp/OSCADObject.cs
@@ -767,6 +767,17 @@ namespace OSCADSharp
         /// </summary>
         internal OSCADObject Parent { get; set; }
 
+        /// <summary>
+        /// If the variable is not null, binds it to the property specified
+        /// </summary>
+        /// <param name="property"></param>
+        /// <param name="variable"></param>
+        internal void BindIfVariableNotNull(string property, Variable variable)
+        {
+            if (variable != null)
+                this.Bind(property, variable);
+        }
+
         /// <summary>
         /// Internal collection of children for this object
         /// </summary>
diff --git a/OSCADSharp/OSCADSharp/Solids/Sphere.cs b/OSCADSharp/OSCADSharp/Solids/Sphere.cs
index 88d3ad9..4715b14 100644
--- a/OSCADSharp/OSCADSharp/Solids/Sphere.cs
+++ b/OSCADSharp/OSCADSharp/Solids/Sphere.cs
@@ -75,14 +75,10 @@ namespace OSCADSharp.Solids
         /// <param name="minimumFragmentSize"></param>
         public Sphere(Variable diameter = null, Variable resolution = null, Variable minimumAngle = null, Variable minimumFragmentSize = null)
         {
-            if (diameter != null)
-                this.Bind("diameter", diameter);
-            if (resolution != null)
-                this.Bind("resolution", resolution);
-            if (minimumAngle != null)
-                this.Bind("minimumangle", minimumAngle);
-            if (minimumFragmentSize != null)
-                this.Bind("minimumfragmentsize", minimumFragmentSize);
+            this.BindIfVariableNotNull("diameter", diameter);
+            this.BindIfVariableNotNull("resolution", resolution);
+            this.BindIfVariableNotNull("minimumangle", minimumAngle);
+            this.BindIfVariableNotNull("minimumfragmentsize", minimumFragmentSize);
         }
         #endregion
 
diff --git a/OSCADSharp/OSCADSharp/Transforms/ColoredObject.cs b/OSCADSharp/OSCADSharp/Transforms/ColoredObject.cs
index c914b68..0ff9925 100644
--- a/OSCADSharp/OSCADSharp/Transforms/ColoredObject.cs
+++ b/OSCADSharp/OSCADSharp/Transforms/ColoredObject.cs
@@ -39,10 +39,7 @@ namespace OSCADSharp.Transforms
         internal ColoredObject(OSCADObject obj, Variable colorName, Variable opacity) : base(obj)
         {
             this.Bind("color", colorName);
-            if(opacity != null)
-            {
-                this.Bind("opacity", opacity);
-            }
+            this.BindIfVariableNotNull("opacity", opacity);
         }
 
         public override string ToString()
diff --git a/OSCADSharp/OSCADSharp/Transforms/MirroredObject.cs b/OSCADSharp/OSCADSharp/Transforms/MirroredObject.cs
index f8fda95..fcea8ba 100644
--- a/OSCADSharp/OSCADSharp/Transforms/MirroredObject.cs
+++ b/OSCADSharp/OSCADSharp/Transforms/MirroredObject.cs
@@ -38,13 +38,9 @@ namespace OSCADSharp.Transforms
         internal MirroredObject(OSCADObject obj, Vector3 normal, Variable x, Variable y, Variable z) : base(obj)
         {
             this.Normal = new BindableVector(normal);
-
-            if (x != null)
-                this.Bind("x", x);
-            if (y != null)
-                this.Bind("y", y);
-            if (z != null)
-                this.Bind("z", z);
+            this.BindIfVariableNotNull("x", x);
+            this.BindIfVariableNotNull("y", y);
+            this.BindIfVariableNotNull("z", z);
         }
         
         public override string ToString()
diff --git a/OSCADSharp/OSCADSharp/Transforms/ResizedObject.cs b/OSCADSharp/OSCADSharp/Transforms/ResizedObject.cs
index 18e24fa..a3a9c40 100644
--- a/OSCADSharp/OSCADSharp/Transforms/ResizedObject.cs
+++ b/OSCADSharp/OSCADSharp/Transforms/ResizedObject.cs
@@ -38,12 +38,9 @@ namespace OSCADSharp.Transforms
         {
             this.Size = new BindableVector(size);
 
-            if (x != null)
-                this.Bind("x", x);
-            if (y != null)
-                this.Bind("y", y);
-            if (z != null)
-                this.Bind("z", z);
+            this.BindIfVariableNotNull("x", x);
+            this.BindIfVariableNotNull("y", y);
+            this.BindIfVariableNotNull("z", z);
         }
 
         public override string ToString()
diff --git a/OSCADSharp/OSCADSharp/Transforms/RotatedObject.cs b/OSCADSharp/OSCADSharp/Transforms/RotatedObject.cs
index af63dea..c95710a 100644
--- a/OSCADSharp/OSCADSharp/Transforms/RotatedObject.cs
+++ b/OSCADSharp/OSCADSharp/Transforms/RotatedObject.cs
@@ -38,12 +38,9 @@ namespace OSCADSharp.Transforms
         {
             this.Angle = new BindableVector(angle);
 
-            if (x != null)
-                this.Bind("x", x);
-            if (y != null)
-                this.Bind("y", y);
-            if (z != null)
-                this.Bind("z", z);
+            this.BindIfVariableNotNull("x", x);
+            this.BindIfVariableNotNull("y", y);
+            this.BindIfVariableNotNull("z", z);
         }
 
         public override string ToString()
diff --git a/OSCADSharp/OSCADSharp/Transforms/ScaledObject.cs b/OSCADSharp/OSCADSharp/Transforms/ScaledObject.cs
index 43c0a24..9f34dd5 100644
--- a/OSCADSharp/OSCADSharp/Transforms/ScaledObject.cs
+++ b/OSCADSharp/OSCADSharp/Transforms/ScaledObject.cs
@@ -38,12 +38,9 @@ namespace OSCADSharp.Transforms
         {
             this.ScaleFactor = new BindableVector(scale);
 
-            if (x != null)
-                this.Bind("x", x);
-            if (y != null)
-                this.Bind("y", y);
-            if (z != null)
-                this.Bind("z", z);
+            this.BindIfVariableNotNull("x", x);
+            this.BindIfVariableNotNull("y", y);
+            this.BindIfVariableNotNull("z", z);
         }
 
         public override string ToString()
diff --git a/OSCADSharp/OSCADSharp/Transforms/TranslatedObject.cs b/OSCADSharp/OSCADSharp/Transforms/TranslatedObject.cs
index 0b498e3..f9a74db 100644
--- a/OSCADSharp/OSCADSharp/Transforms/TranslatedObject.cs
+++ b/OSCADSharp/OSCADSharp/Transforms/TranslatedObject.cs
@@ -35,12 +35,9 @@ namespace OSCADSharp.Transforms
         {
             this.Vector = new BindableVector(vector);
 
-            if (x != null)
-                this.Bind("x", x);
-            if (y != null)
-                this.Bind("y", y);
-            if (z != null)
-                this.Bind("z", z);
+            this.BindIfVariableNotNull("x", x);
+            this.BindIfVariableNotNull("y", y);
+            this.BindIfVariableNotNull("z", z);
         }
 
         public override string ToString()