Select a Part to Be Hidden
Select the part you wish to hide as follows:
From the structure tree
Make the selection as follows:
- Select one part 
 .
- Select more than one part 
 .
- Select a desired range from the list 
 .
- Remove the selection by selecting it again.
The selected part is highlighted in the drawing.
Point from the drawing
From the drawing's main projection, select a line of the part you want to hide. The selected part is highlighted in the structure tree.
