Chapter 4 Flashcards
it describes a type of drwaing represented only by lines, without shading or rendering
orthographic
a special type of drawing that represents the exact shape of an object in two or more views
orthographic drawing
how can a orthographic drawing be illustrated?
with a projection box
generally the heaviest or darkest lines in a drawing
border lines
represents the visible edges of an object
visible outline
called as invisible or dotted line
hidden line
what is the measure meant of the short dases and the gaps between the dashes in hidden lines?
3-4 millimeters (dashes)
1-2 millimeters (gaps)
the lightest or finest line in a drawing; represents as the axis of symmetrical shapes
center line
heavier than the center line; used to show one view to another
projection line
how long is the projection line and what is the measurement of its gaps?
7mm-4cm (how long)
1-2mm (gaps)
used to indicate the measurements of objects
dimension line
used for restrain the length of an elongated object so that it can be shown w/o changing the size of its view
limiting line
