title: Is there Point3D?
body: <p>Is there a built in type Point3 in .Net?
  Some kind of this</p>
  <pre><code>public class Point3D
  {
      public double X { get; set; }
      public double Y { get; set; }
      public double Z { get; set; }
  }
  </code></pre>
  <p>but built in. It is not hard to implement it myself, but..</p>