If I create a very simple component containing two cubes where the cubes share a line, the entity info won’t display volume.

# Shared edges prevent volume from displaying

**scopulorum**#1

**DaveR**#2

Yes. That’s normal and expected. Notice also the component isn’t considered Solid in your first screen shot. It must be solid to be able to get a volume. To be solid every edge must be shared by exactly two faces. No more and no less. There are a few more requirements but that’s the one that applies in this case.

**TIG**#3

You have just displayed the requirement for a ‘solid’.

Only a solid has a ‘volume’…

A manifold solid must contain just faces and edges.

Every edge must support exactly two faces.

When your two cubes touch and thereby share a common edge, then that edge has four faces !

So it is no longer a manifold solid.

Separating the cubes or overlapping them by a tiny amount avoids the shared edge problem.

So you have sort of answered your own problem…

Don’t make geometry where edges do not have exactly two faces !

**system**#4

This topic was automatically closed 91 days after the last reply. New replies are no longer allowed.