- Select the axis of reflextion of the piece wish to reflect;
- Select tool;
- Click the selected segment (axis), it unfolds into a complete piece;

4. If you don’t remove the axis, one side change and another side also change;

5. If remove it, one side change but another doesn’t change;

- Select the axis;
- Select tool;
- Hold down Alt (Windows) or Option (Macintosh) or Alt+Windows (Linux) key, click the axis, dialog box appears. Enter value and click [OK] button.

- Select the axis;
- Select Menu [Treatment] - [Item Info];
- The dialog box appears;
- Select [Close Piece] option, then click [OK] button