Drafting Techniques

What is the thickest line?

• Border

• Object

• Phantom

• Extension

What is this?

• Phantom

• Extension

• Centerline

• Object

What is this?

• Phantom

• Extension

• Centerline

• Object

What is this?

• Phantom

• Extension

• Centerline

• Object

What is this?

• Section

• Extension

• Centerline

• Dimension

What is this?

• Hidden

• Extension

• Centerline

• Dimension

What is this?

• Hidden

• Extension

• Centerline

• Dimension

What is this?

• Cutting Plane

• Extension

• Centerline

• Phantom

In drafting room language, the physical characteristics of the lines and the different standards for use are known as line (a)   .

In manual drafting, a(n) (a)   is most commonly used to draw horizontal lines.