The Modify tools - Introduction to AutoCAD 2011: 2D and 3D Design - page 127

3. Using the tools Polyline , Circle , Trim ,

Polyline Edit , Mirror and Fillet construct the
drawing ( Fig. 5.48 ).

R10

R5

Offset 5

R20
R20

1 0 30

R20

R15

Fig. 5.50 Exercise 4

160

260

5. Construct the arrow ( Fig. 5.51 ). Array the

arrow around the centre of its circle 8 times to
produce the right-hand drawing of Fig. 5.51.

Fig. 5.48 Exercise 3

20

4. Construct the circles and lines (Fig. 5.49).

Using Of set and the Ttr prompt of the Circle
tool followed by Trim , construct one of the
outlines arrayed within the outer circle. Then,
with Polyline Edit change the lines and arcs
into a pline of width 0.3. Finally array the
outline 12 times around the centre of the
circles ( Fig. 5.50 ).

10

R15

Ø20

Ø200

Ø220

Fig. 5.51 Exercise 5

Ø80

6. Construct the left-hand drawing of Fig. 5.52.

Then with Move , move the central outline to
the top left-hand corner of the outer outline.
Then with Copy make copies to the other
corners.

Ø50

170 2 5

30

R7. 5

Fig. 5.49 Exercise 4 - circles and lines on which the
exercise is based

Chamfers 20x10

Fig. 5.52 Exercise 6