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Line Conventions (definition)
Terms in this set (11)
Lines of varying style and thickness are used in specific ways to develop and communicate graphic messages about an object's geometry.
Very lightly drawn lines to guide drawing other lines and shapes.
Show interior detail not visible from the outside of the part.
It's a thick and dark line that define the object.
It defines the center of arcs, circles, or symmetrical parts and is half as thick as an object line.
Defines where material is cut away
Freehand drawn Line
Shows where part is broken to reveal detail behind the part or to shorten a long continuous part
It shows the distance, Arrows drawn on ends to show where dimension line starts and ends, and actual distance is typically located in middle of this line to display distance.
Shows where a dimension starts and stops, Used with dimension lines, Line is 1/16 away from part to avoid confusion with object lines.
Shorten very long objects with uniform detail and is typically represented as a jagged cut or break.
Show dimensions of arcs, circles, and detail
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