AutoCAD 2018 and Inventor 2018 Tutorial By Tutorial Books (www.engbookspdf.com)

Part 1: AutoCAD Basics
The Stretch tool
The Stretch tool lengthens or shortens
drawings or parts of drawings. Note that you
cannot stretch circles using this tool. In addition, you
must select the portion of the drawing to be
stretched by dragging a window.
Move the pointer downward and click to
stretch the drawing.
Click Home > Modify > Stretch on the
ribbon or enter STRETCH in the command
line.
Create a crossing window to select the
objects of the drawing.
Save and close the file.
The Polar Array tool
The Polar Array tool creates an arrangement
of objects around a point in a circular form.
The following example shows you to create a polar
array.
Create two concentric circles of 140 and 50
diameters.
Press ENTER (or) right-click to accept the
selection.
Select the base point as shown below.
Type C in the command line and press
ENTER.
Press and hold the Shift key, right-click and
select Quadrant from the shortcut menu.
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