alphabet of lines Flashcards
the heaviest or darkest lines in a drawing.
border lines
represents the visible edges of an object.
visible lines
formerly called invisible or dotted line.
hidden lines
thin line usually drawn at a 45 degree angle.
section lines
considered as the lightest or finest line in a drawing.
center lines
show the length, width, and height of the features of an object.
dimension lines
used to show the starting and stopping points of a dimension.
extension lines
used to show the dimension of a feature or a note that is too large to be placed beside the feature itself.
leader lines
it is an irregular fine, curved line with an arrowhead at one end. It is often used to label the parts of an object.
reference lines
thick broken line that is terminated with short 90 degree arrowheads.
cutting plane lines
used to break out sections for clarity or for shortening a part.
break lines
used to break the edge or surface of a part for clarity of a hidden surface.
short break lines
used to show that the middle section of an object has been removed so it can be drawn on a smaller piece of paper.
long break lines
used to show round parts that are broken in half to better clarify the print or to reduce the length of the
object.
cylindrical break lines
thin lines made up of long dashes alternating with pairs of short dashes.
phantom lines
