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Autodesk AutoCAD 2007 for Architects Tutorials

CAD Drawings / 2D Drawings & SF Chart

Subtitles of the Movie

I would like to give you an overview of the method I will use to create 2D working drawings and I would also like to review the application of the scale factor chart. Understanding both concepts is very important, that is why I introduce them now and I continue to reinforce them through out the tutorial. The ideas presented here lean toward a team approach, at times you may be able to complete a project all by yourself. But it is a good idea to be prepared for future assistance by other colleagues. In order to create a working drawing also known as an architectural sheet I need a border and a 2D drawing. The border can be any size from 11 by 17 inches all the way to 30 by 42 inches. The 2D drawing can be a plan, elevation, section or detail. In this example I have a site plan. Below each image of the drawing appears the drawing file name. I have prefixed both file names with an X, I do this in order to identify drawing files that are externally referenced to other drawing files. The working drawing I would like to create is AC1, this is an architectural civil site plan. In the AC1 drawing I externally reference for ex-ref the site plan to model space. I then switch to layout 1 which is also referred to as paper space and externally referenced the border. To get your drawing to look like the image requires more steps, but I just want to present the concept now and show you the steps later. If I look at the AutoCAD directory of this project I would see three drawing files. The AutoCAD preview will display the snapshot associated with the file, I want to make it clear that I do not have two files of the site plan. Remember X site .DWG is the actual drawing file and AC1.DWG contains the X ref image of that X site drawing. No drawing is complete without text and dimensions that is why a quick review is necessary at this time. By now you should be familiar with calculating the scale factor based on my previous VTC title. What I want to review is the application of the chart to your drawing file. Let's say for example that you want the printed text to measure one eighth of an inch on the printed sheet or in the layout of the drawing. Now you determine that the mile space view port containing the plan or elevation needs to be scaled at three eighths of an inch equals a foot. What this tells me is that the scale factor for my dimensions will be set to 32 and when I multiply the text by the scale factor of 32 I know that the text should be drawn at a height of four inches in model space. The text types I have shown along the top row or only examples. I have used one eighth of an inch and one quarter of an inch, since they are common for architectural firms. In the last column I am trying to show that you can use any text type and still achieve similar results. When the architectural sheet is complete it may contain multiple view ports at different scales. But by following the scale factor chart all of the text and dimensions will be uniform.

Tutorial Information

Course: Autodesk AutoCAD 2007 for Architects
Author: Ivanhoe Tejeda
SKU: 33850
ISBN: 1-934743-54-2
Release Date: 2008-02-27
Duration: 13 hrs / 136 lessons
Work Files: Yes
Captions: Available on CD and Online University
Compatibility: Vista/XP/2000, OS X, Linux
QuickTime 7, Flash 8

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