Dimension Line Drawing. A As shown in Fig. You add drawing dimensions as annotations to drawing views or geometry in drawing sketches.
To draw a vertical or horizontal dimension line click the Horizontal or vertical dimension tool. This is completely unnecessary and undesirable. FIGURE 21 Use of projection and dimensioning Arrcwheads are drawn open or solid about g mm long I mm wide projection lines are lines and may cross are thin lines 2mm past dimension ine mm gap rowheads should touch projection lines at extremities the dimension are on the outside of projection for smaller Dimension line is drawn parallel.
It is very important that you use the correct dimensions when you are drawing.
A dimension line which is a type B line thin continuous and straight. No line of the drawing should be used as a dimension line. Dimensioning a drawing also identifies the tolerance or accuracy required for each dimension. An arrowhead is approximately 3 mm long and 1mm wide.
