Marked Volume Transparency

Control the transparency of objects you select in 3D allowing you to see what is behind that object.

1. Click File -> Preferences -> Model Presentation
   

   

   
   
   
2. Change the Marked part transparency 0-100% value. 
   

   

   
   
   The images below show the difference in a selected wall after changing the transparency value from 0% to 84%.
   

   

    0%
   
   

   

    84%