In pattern development, what is the centerline used for?

In pattern development, what is the centerline used for?

• A. To measure the material thickness.
• B. To indicate the axis of symmetry or bend location.
• C. To denote the finished color.
• D. To mark where rivets go.

Answer: (B)

The centerline in pattern development serves as the axis of symmetry and the location of bends. It runs down the middle of the pattern and provides a consistent reference so both sides mirror each other. This helps you place bend lines accurately and ensures the piece forms correctly when manufactured. The centerline isn’t used for measuring material thickness, indicating color, or marking rivet points; its main role is guiding symmetry and where folds should occur.

The centerline in pattern development serves as the axis of symmetry and the location of bends. It runs down the middle of the pattern and provides a consistent reference so both sides mirror each other. This helps you place bend lines accurately and ensures the piece forms correctly when manufactured. The centerline isn’t used for measuring material thickness, indicating color, or marking rivet points; its main role is guiding symmetry and where folds should occur.