This is some examples of the props I made for my project "OTOSHIMONO", all rendered with Marmoset Toolbag. Almost everything is made with 3ds Max, Zbrush and Substance Painter. Some of the textures are also modified stock textures.
https://www.artstation.com/artwork/v1Rqv3
The "Incubator"
Air conditioners
Pipes kit
Example of what is possible with the pipes kit above
Structural props, signs, and other details for building's walls
Small detail props