Piercing a 3d shape with another 3d shape

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In case you missed it because it was moved from where you first posted it, you got some relevant answers when you asked this question before.

How to make objects visually protrude/pierce through other objects

Hi again to the community. Not sure if I am suppose to start a new thread but I have another problem that I am hoping can be rectified in the free web version. How do I make other objects visually protrude/pierce through other objects i.e. I have a glass wall that I am trying to make lines/pipes appear to go through it at specific points. I can only seem to put objects on top of other objects. Thank you in advance, Damien