* SketchPlugin_Constraint::ENTITY_A() and SketchPlugin_Constraint::ENTITY_B()
*/
class SketchPlugin_ConstraintPerpendicular : public SketchPlugin_ConstraintBase
* SketchPlugin_Constraint::ENTITY_A() and SketchPlugin_Constraint::ENTITY_B()
*/
class SketchPlugin_ConstraintPerpendicular : public SketchPlugin_ConstraintBase