+ SketchPlugin_Point.cpp
+ SketchPlugin_Circle.cpp
+ SketchPlugin_Arc.cpp
+ SketchPlugin_ConstraintBase.cpp
+ SketchPlugin_ConstraintCoincidence.cpp
+ SketchPlugin_ConstraintDistance.cpp
+ SketchPlugin_ConstraintLength.cpp
+ SketchPlugin_ConstraintParallel.cpp
+ SketchPlugin_ConstraintPerpendicular.cpp
+ SketchPlugin_ConstraintRadius.cpp
+ SketchPlugin_ConstraintRigid.cpp
+ SketchPlugin_Validators.cpp
+ SketchPlugin_ResultValidators.cpp