How to make the floor to be transparent so the steelwork below is visible. Also the floor should contain a pattern as well as being transparent.
We can change the level properties of an existing floor level to achieve Transparency. (suppose 50%). Now to achieve a visible pattern on the floor, we can create a new material in the existing palette or in a new palette. Then we can attach a pattern image in the new material by enabling pattern mapping. We can take a downloaded hatching image for an instance as a pattern material and add it to the existing floor level.
The video below provides the exact workflow on how to achieve this :