Drawing
Problems
-
Chapter
12
382
AutoCAD and Its Applications—Basics
9. Draw the timer schematic shown. Save the drawing as P12-9.
10. Use tracking and object snaps to draw the board shown, based on the following
instructions:
A. Draw the outline first, followed by the ten ∅.500 holes (A).
B. The holes labeled B are located vertically halfway between the centers of the holes
labeled A. They have a diameter one-quarter the size of the holes labeled A.
C. The holes labeled C are located vertically halfway between the holes labeled A
and B. Their diameter is three-quarters of the diameter of the holes labeled B.
D. The holes labeled D are located horizontally halfway between the centers of
the holes labeled A. These holes have the same diameter as the holes labeled B.
E. Draw the rectangles around the circles as shown.
F. Do not draw dimensions, notes, or labels.
G. Save the drawing as P12-10.
A A
D
C C C C C
C C C C C
D D D
B B B B B
D D D D
A A A A A A A A
A A A A A