-from FeaturesAPI import addRevolution
-from revolution_boolean import addRevolutionCut, addRevolutionFuse
-
-from group import addGroup
+from FeaturesAPI import addRevolution, addRevolutionCut, addRevolutionFuse
+from FeaturesAPI import addPipe
+from FeaturesAPI import addCut, addFuse, addCommon, addSmash, addFill
+from FeaturesAPI import addIntersection, addPartition, addUnion, addRemoveSubShapes
+from FeaturesAPI import addRecover