28. Department of Civil Engineering NPIC
Name Thickness Name based on use Use
Section line This is to show a section of an object. It
Outline partition off a section line and a out line
Thickline (0.3 - 0.8) Breaking line and use it.
Typical line
Dimension line You use this when you show a
Indication line dimension line, a indication line, a
Thin line (0.8 or below) Hatching line Hatching line.
This uses the section which an object
Broken Line Middle line Hidden line
when does not display to show.
(thicker than thin line)
You use this when you show the center
Center line
Thin line (0.8 or below) of an object.
Dash dot Line
Cutting line
This marks a situation for an object to
Boundary line
Middle line cut, or it is used a borderline.
Basis line
(thicker than thin line)
Dash double This uses it when you display a section
Middle line Supposition line
dot Line imagined a thing with an object.
(thicker than thin line)
Design Drawing Practice 28