Performe 2 FusionCutMeshMethod with the usage of PlanarFusion3D.
Do a fusion between them and obtain a CutMesh(3) (available from 3.1.0 version).
Place each fusion in a 3d window.
Set a different color for BorderPloygon of each fusion.
Drag and drop each BorderPloygon in each fusion.
Active the of each CutMesh fusion.
Handle any CutMesh fusion and follow the cutting planes in 3d windows.