+ Decided not to support Bounds() on Text3D objects, since there's a lot of work needed before it will be viable.

OSCADSharp/OSCADSharp.UnitTests/Solids/Text3DTests.cs

@@ -20,12 +20,10 @@ namespace OSCADSharp.UnitTests
         }
 
         [TestMethod]
-        public void Text_BoundsBasedOnFontSize()
+        [ExpectedException(typeof(NotSupportedException))]
+        public void Text_BoundsNotSupported()
         {
-            var obj = new Text3D("BBBB", 16);
+            var obj = new Text3D("BBBB", 16).Bounds();
-
-            Assert.AreEqual(new Vector3(32, 8, 0.5), obj.Bounds().TopRight);
-            Assert.AreEqual(new Vector3(-32, -8, -0.5), obj.Bounds().BottomLeft);
         }
     }
 }

OSCADSharp/OSCADSharp/Solids/Text3D.cs

@@ -145,18 +145,10 @@ namespace OSCADSharp.Solids
 
         /// <summary>
         /// Returns the approximate boundaries of this OpenSCAD object
-        /// 
-        /// Disclaimer:  The bounds for text are particularly inaccurate, since
-        /// OSCADSharp doesn't have all font data necessary to calculate the
-        /// boundaries for all the possible fonts that could be used
-        /// </summary>
         /// <returns></returns>
         public override Bounds Bounds()
         {
-            double fontSize = this.Size ?? 8;
+            throw new NotSupportedException("Bounds are not supported for objects using Text3D");
-            double xAmount = fontSize * this.Text.Length;
-            
-            return new Bounds(new Vector3(-xAmount/2, -fontSize/2, -.5), new Vector3(xAmount / 2, fontSize / 2, .5));
         }
         #endregion
     }