+ <feature id="SketchConstraintDistance" title="Distance between objects" tooltip="Create constraint for the distance from a point to an object" internal="1"/>
+ <feature id="SketchConstraintLength" title="Length of a line" tooltip="Create constraint for the given length of a line segment">
+ <label title="Select a line entity on which to calculate lenght" tooltip="Select a line entity on which to calculate lenght"/>
+ </feature>
+ <feature id="SketchConstraintRadius" title="Radius of a circle or an arc" tooltip="Create constraint for the given radius of a circle or an arc" internal="1"/>
+ <feature id="SketchConstraintParallel" title="Parallelism of a lines" tooltip="Create constraint defining two parallel lines" internal="1"/>
+ <feature id="SketchConstraintPerpendicular" title="Orthgonality of a lines" tooltip="Create constraint defining two perpendicular lines" internal="1"/>