Set the Precision to two digits after the decimal point as shown in the above figure.Ĥ.
This will set the measurement to the default English units, inches.ģ. In the Drawing Units dialog box, set the Length Type to Decimal. The value of the units within the CAD system before creating the first geometric entities.Ģ. Close the Sheet Set Manager by clicking once on the Close button located at the upper right corner of the window as shown.Įvery object we construct in a CAD system is measured in units. Close the Tool Palettes by clicking once on Close button located at the upper right corner of the window as shown.ĥ. Using the default system units and assigned the drawing name Drawing1.Ĥ. Note that AutoCAD automatically assigns generic name, Drawing X, as new drawings are created. Select Dont Show me this again and click OK to continue. Choose AutoCAD Classic as the initial workspace.ģ. Once the program is loaded into memory, the AutoCADĢ007 drawing screen will appear on the screen.Ģ. Select the AutoCAD 2007 option on the Program menu or select the AutoCAD 2007 icon on the Desktop. The different ways of creating lines and circles in AutoCAD 2007 are examined.ġ. Similar procedures can be applied to create other geometric entities. As one gains some experience in creating lines and circles, Ellipses and splines can be constructed by connectingĪrcs with different radii. Triangles and polygons are planarįigures bounded by straight lines. Importance of lines and circles becomes obvious. In examining the different types of planar geometric entities, the Straight lines and circles are used in almostĪll technical designs. Master the skills of creating and modifying.
The first two, and perhaps the most important two, geometric entities that one should In learning to use a CAD system, lines and circles are In order to become effective in using a CAD system, we must learn to create geometricĮntities quickly and accurately. The constructions are different from one system to another. The method and number of operations that are required to accomplish Many of the constructions used in technical designs are based upon two-dimensional All CAD systems create designs using basic geometric entities. This will require learning some new concepts and skills as well as learning aĭifferent vocabulary.
It is necessary toīegin with the basic alphabet and learn how to use it correctly and effectively through Learning to use a CAD system is similar to learning a new language. Use the AutoCAD Visual Reference Commandsĭefine Positions Using the Basic Entry Methods Jack Zecher Indiana University Purdue University Indianapolis