2 Parallel planes and 1 perpendicular
Pamoja Education IB Mathematics HL; Unit 9, Week 44: Intersection of Planes; Blog Post: Create the Scenario
Scenario 6: Create 3 planes such that planes (1) and (2) are parallel and are perpendicular to plane (3).
Use the 'Rotate 3D Graphics View' tool to look at the planes from different angles.
Enjoy!