- **Sketch auxiliary entity color** selects default color for sketch auxiliary objects;
- **Sketch overconstraint color** selects default color for a sketch with redundant constraints;
- **Sketch fully constraint color** selects default color for a sketch with zero degrees of freedom.
+- **Zoom trihedron arrows** if this control is checked then arrows of a view trihedron will be scaled according to current view scale
+- **Axis arrow size** relative size of trihedron arrows. It has effect only in case if **Zoom trihedron arrows** is On.
To redefine any color click on the corresponding line to access **Select color** dialog box
