/// <summary>
 /// Adds a chamfer dimension to the selected edges
 /// </summary>
 /// <param name="x">X dimension</param>
 /// <param name="y">Y dimension</param>
 /// <param name="z">Z dimension</param>
 /// <returns>The chamfer <see cref="ModelDisplayDimension"/> if successful. Null if not.</returns>
 /// <remarks>Make sure to select the 2 edges of the chamfer before running this command</remarks>
 public ModelDisplayDimension AddChamferDimension(double x, double y, double z)
 => new ModelDisplayDimension((IDisplayDimension)mBaseObject.AddChamferDim(x, y, z)).CreateOrNull();