Develop a depth feature in the navigation to view the interior of the models,

[gmudlapur]

I think its high time that PTC put some effort to come up with this " Develop a depth feature in the navigation to view the interior of the models," feature, which makes it easy for people to review the designs and show, share, and analyze the designs.

[tbraxton]

Pro/E had a module called fly through that was designed for the application you are noting. It was never widely used and got retired. The "replacement" for this is documented in this article. I have no idea if it is an improvement over Fly-Through or not.

Article - CS28226 - How to create a Fly-Through or Walk-Through in Pro/ENGINEER and Creo Parametric (ptc.com)

[kdirth]

Reorient Perspective tab allows you to enter Perspective and adjust the settings.  Shift+MMB allows you to drag the model relative to the perspective point.  Ctrl+MMB+moving mouse up and down allows you to move in and out of model.