Allow users to create a dart within a shape from its contour.

- Activate the piece;
- Select tool;
- Click the fixed point, then click the segment indicating the position of the dart, and then click the part of the piece that remains fixed;
- The dialog box appears, enter desired value and click [OK] button.

- Draw a segment on desired location, it is the central line of the new dart;
- Select the segment;
- Select tool;
- Click the start point;
- Dialog box appears and enter value, click [OK].

- Add points to desired location, then drag out dart-shaped opening;
- Select tool;
- Hold down Option (Mac) or Alt (Windows) key, click the tip;
- Dialog box appears and enter value, click [OK].

- Draw a segment on desired location;
- Select tool;
- Click a start point (A);
- Enter value in the dialog box, click [OK].

New in V7.0

We sort out the darts in the dialog box: Cone, Bullet, Double-pointed Dart, make it more simple to check; the corresponding position of the dart will be highlighted in purple when enter the value.