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Creating the Closet Opening

This doorway is 4′-0″ (1220 mm) wide and has one jamb set in 4″ (100 mm)
from the inside of the exterior wall. Figure 4.37 shows the three stages of fabricating
this opening:

Creating the Closet Opening 1
F igu re 4 . 3 7 : Creating the interior openings

▶▶ Stage 1 (top left): Locate the jamb lines by using the OFFSET command.
▶▶ Stage 2 (top right): Form the opening by using the EXTEND command.
▶▶ Stage 3 (bottom): Complete the opening by using the TRIM command.
To create the closet opening:
1. Make sure I04-10-30inInterior.dwg (M04-10-762mmInterior.dwg)
is open.
2. Use any combination of the OFFSET, TRIM, and EXTEND commands to
create the 4′-0″ (1220 mm) closet opening.
Refer to the previous section on making openings for step-by-step
instructions.
3. This completes the openings. Save your drawing as I04-11-
ClosetOpening.dwg (M04-11-ClosetOpening.dwg). The results
should look like Figure 4.38.

Creating the Closet Opening 2

F igu re 4 . 3 8 : The completed doorway openings
As you gain more control over the commands you used here, you’ll be able
to anticipate how much of a task can be accomplished with each use of a command.
Each opening required offsetting, extending, and trimming. It’s possible
to do all the openings by using each command only once. In this way, you do all
the offsetting, then all the extending, and finally all the trimming. In cutting
these openings, however, the arrangement of the offset lines determined how
many cycles of the TRIM command were the most efficient to use. If lines being
trimmed and used as cutting edges cross each other, the trimming becomes
complicated. For these four openings, the most efficient procedure is to use
each command twice. In Chapter 8, you’ll get a chance to work with more complex,
multiple trims when you draw the elevations.
Now that the openings are complete, you can place doors and door swings
in their appropriate doorways. In doing this, you’ll be introduced to two new
objects and a few new commands, and you’ll have an opportunity to use the
OFFSET and TRIM commands in new, strategic ways.

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