Watch the video to see the step by step.
- Make the floor transparent glass or invisible using the textures setting available in the Rendering Dashboard.
- Place a stairway or staircase below floor level so that you can see it through the transparent floor.
- Apply the following changes under the Attributes of the Staircase
Up-down position: -84
Depth: 96 7/8.
- Add a floor material to everything but where the stairs should be seen using the Surface tool under the ITEMS tab.
- Create a second surface and place it at the bottom of the stairs to replicate your floor at the other end
NOTE: If you to see the walls going down, you will need to create additional surfaces from the elevation in order to replicate the passage down the stairs.
- You can download the sample file of this article here.