... constructing the 3D model of the original building, add the extension to the original building. Fig. 16.20 shows a Realistic visual style view of the resulting 3D model, In this 3D model fl oors ... are possible. As an example a single view plot review of the same 3D model is shown in the Hidden shading form ( Fig.15.47 ). Introduction to AutoCad 2009Please purchase PDF Split-Merge on www.verypdf.com ... a fi le name from the fi le list. There are differences between saving a 2D and a 3D drawing, in that when 3D model drawing is shaded by using a visual style from the Home/Viewpanel, the shading...