Intro To Draft and Design Semester Test Study Guide

very light solid line which shows the shape of the object.

• construction line

• border line

• object line

• hidden line

very heavy solid line used as a border or a frame for a drawing. 

• construction line

• border line

• object line

• hidden line

solid heavy line that shows all of the edges and surfaces that can be seen from the outside of the object. 

• construction line

• border line

• object line

• hidden line

consist of short dashes (about 1/8 inch long) with spaces (about 1/16") apart, 

and show all of the unseen lines. 

• construction line

• Border Line

• Object Line

• Hidden Line

thin light solid line with a space in the center for placing the 

dimension. 

• Dimension Line

• Extension Line

• Vertical Line

• Horizontal Line

thin light solid line that is merely an extension of the object line.

• Dimension Line

• Extension Line

• Vertical Line

• Horizontal Line

run up and down on the paper and can be drawn with the t-square and triangles. 

• Dimension Line

• Extension Line

• Vertical LIne

• Horizontal Line

run across the paper and are drawn with the t-square. 

• Dimension Line

• Extension Line

• Vertical Line

• Horizontal Line

has eight equal sides. 

• Octagon

• Pentagon

• Hexagon

• Angle

has five equal sides. 

• Octagon

• Pentagon

• Hexagon

• Angle