- **Show dimensional constraints** check box - displays/hides dimensional constraints;
- **Show existing expressions** check box - displays/hides expressions.
- **Show free points** check box - highlights free points in the current sketch if it is checked.
+- **Automatic constraints** - automatically crerate horizontal or vertical constraints if angle between created line and horizontal or vertical less then angular tolerance (defined in preferences).
- **Change sketch plane** button - allows to change working plane of the current sketch.
Now it is possible to: