420 Machine Drawing
dharm
d:\N-Design\Des21-1.pm5
accordingly. Dimension line off-setting can also occur with the continue command if either the
new or previous dimension has its arrows outside the extension lines. In Fig. 21.20, the horizontal;
dimensions are drawn using continue command and the vertical dimensions are drawn using
base line command.
21.16.5 Example for Dimensioning
For the example considered, (Fig. 21.21), the method of dimensioning with the associated dialogue
with AutoCAD is given below, in the same serial order:
1. Command: dim linear
First extension line origin or return to select:—int of
Second extension line origin:—cen of
Dimension line location (text/angle/horizontal/vertical/rotated): pick
Dimension text <130>:
2. Dim: base
Second extension line origin: — cen of
dimension text <260>:
3. Command: dim linear
First extension line origin or return to select:— int of
Second extension line origin: — cen of
Dimension line location (text/angle/horizontal/vertical/rotated): pick
Dimension text <25>:
4. Dim: vertical
First extension line origin or return to select: — int of
Second extension line origin: —cen of
Dimension line location (text/angle/horizontal/vertical/rotated): pick
Dimension text <20>:
5. Dim: base
Second extension line origin: — cen of
Dimension text <75>:
6. Dim: base
Second extension line origin: — int of
Dimension text <150>:
7. Dim: Horizontal
First extension line origin or return to select: pick
Second extension line origin: pick
Dimension line location (text/angle/horizontal/vertical/rotated): pick
Dimension text <120>:
8. Dim: Vertical
First extension line origin or return to select: pick
Second extension line origin: pick
Dimension line location (text/angle/horizontal/vertical/rotated): pick
Dimension text <80>:
