(Click image to see the whole thing)
- Extruded ramp even with the larger steps.
- Dragged the extruded face down, lining up the top vertices with the next to last step. This lines up the bottom step with the ground.
- Line the top edge of the ramp with the top of the pyramid, removed doubles.
- Deleted the inner face. Not sure if necessary, but did it anyway.
- Fix normals.