Beginning AutoCAD 2006
Placing emphasis on learning by doing, this step-by-step guide provides a detailed exploration of AutoCAD functions required at each stage of producing a 2D drawing.
TABLE OF CONTENTS Beginning AutoCAD 2006
Chapter 12: Using the Modify Commands 1
Overview
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In this chapter we will investigate several modify commands which can be used to alter the appearance of and existing drawing.
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The commands which will be investigated are fillet, chamfer, offset, extend, trim and change.
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These commands can all be activated by icon and menu bar selection or by keyboard entry.
Getting started
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Open the C:\MYCAD\WORKDRG created in the previous chapter or simply continue from the previous chapter.
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Ensure model space is active, layer OUT is current and display the Draw and Modify toolbars.
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Refer to Figure 12.1.
Figure 12.1: WORKDRG with the fillet, chamfer, offset, extend, trim and change commands.
Fillet
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A fillet is a radius added to existing line/arc/circle objects.
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The user:
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specifies the fillet radius
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selects the two objects which have to be filleted.
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Select the FILLET icon from the Modify toolbar and:
prompt
Current settings: MODE=TRIM, Radius=?? Select first object or [Undo/Polyline/Radius/Trim/Multiple]
enter
R
prompt
Specify fillet radius
enter
15
prompt
Select first object or [Undo/Polyline/Radius/Trim/
Multiple]
respond
pick line F1 Figure 12.1(a)
prompt
Specify second object
respond
pick line F2.
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The corner selected will be filleted with a radius of 15, the two 'unwanted line portions' will be erased and the command line will be returned.
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From the menu bar select Modify-Fillet and:
prompt
Current settings: MODE=TRIM, Radius=15 Select first object or [Polyline/Radius/Trim/mUltiple]
enter
R
prompt
Specify fillet radius<15.00>
enter
30
prompt
Select first object and pick line...
Copyright Bob McFarlane 2006 under license agreement with Books24x7
