Section symbols

SketchUp Pro
1

What do the three different icons for Section Planes in the Outliner mean?

In SketchUp 2026, I noticed that Section Planes are displayed in the Outliner with three different icons (see attached image).

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I understand that the icon with the vertical line represents the active section plane, but what do the other two icons represent?

Is there an official explanation of the difference between these three icons, and what determines which icon is displayed?

In a model with many section planes, some of which are copies of previously inserted planes, this creates confusion. It’s difficult to clearly distinguish which plane is active…

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Thanks

2

Idon’t have SU open right now, but I think it’s section (any orientation), vertical section and horizontal section ?

3

It’s not like that, it’s not about that… I’ve tried everything but I just don’t understand… even creating new sections and then copying them, some have the symbol made in one way and others in another

4

I just tried, on my end,

with a horizontal line means it’s the one active.
vertical line means inactive.

can’t seem to make it appear as no line though