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When working in 3D, Section Boxes area a really productive tool that allows to access to the centre of the model. You will of course have Section Lines defined- but unless you keep altering the position of the Section Line itself, the Section View is somewhat static.

Personally, I like to keep at least one 3D View reserved for a Section Box. This then allows me to quickly adjust the bounding planes of the box and consequently give me access to any component within my 3D model- all from one View.

Section Boxes are only available in 3D Views. To turn on a Section Box:-

• Switch to a 3D View
• Right click while hovering over the view itself.
• Select View Properties
• Scroll down until you find Section Box and tick this parameter....

A Section Box will now appear around your model. If you select the box itself (by clicking on it) you will see a set of arrow grips for each face of the box....

With these grips you can move each plane in / out, up / down, etc. Wherever these planes cut through your model, everything outside of them will be cut-away.

Of course Section Boxes can be used to produce cut-away presentation views but they should not be dismissed as a really useful way of working with your model.