Design Skills - Resources and Training for Designers

3D Drawing
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One of the many advantages of CAD is that the same drawing can be viewed both in 2D and 3D in a few easy steps. Not only does it saves time but also one drawing can be used for many purposes. In addition, some programs such as VectorWorks ®, RenderWorks ® and Art•lantis ® offer the possibility to create realistic rendering and walkthrough animations.
Floor plan - Click on the thumbnail to view a larger image
Rendered perspective view - Click on the thumbnail to view a larger image

The easiest way to understand 3D drawing with CAD is by setting up a simple perspective view using a box. The example below was created using VectorWorks ® and some of the available standard views.

First a rectangle is drawn in plan view. For example, 7000 x 5000 mm at scale 1:50. Until the rectangle is assigned a height, it remains a 2D object. The Extrude command was used to give it a height. For example, 4000. Now that it is 3D, the solid can be viewed in any available views. In this case, Front, Right, Right Isometric and Perspective.

The creation of a  3D solid - Click on the thumbnail to view a larger image

Now, the solid can be rendered using plain colours and/or textures. Shown below are 3 different types of rendering available with VectorWorks ®: Unshaded/Shaded polygon, Open GL, and RenderWorks ® brick and glass textures.

Shaded Polygon - Click on the thumbnail to view a larger image
Open GL - Click on the thumbnail to view a larger image
RenderWorks Brick Texture - Click on the thumbnail to view a larger image
RenderWorks Glass Texture - Click on the thumbnail to view a larger image

Only RenderWorks provides realistic rendering and shadows. Art•lantis, another software similar to RenderWorks and compatible with both VectorWorks ® and Autocad ®, also provides realistic rendering and shadows.

Skills CAD Training

> About CAD > Scale > Basic Geometry > 2D Drafting > 3D drawing > The Overlay Method > Graphics > Image Editing


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