[Qgis-user] Extract nodes where lines are crossing other lines

[APM]

Dear List,

I like to extract nodes from one layer Line (MultiLineStringZ) with Qgis 
3.18.

There are lines, which crosses other lines in the same layer.

Can I extract this crossing points?

I try to use the "Vector Intersection tool", which is demands an Input 
and Output-Layer.

It extracted some nodes, but not all.

Can you give me a tipp, please?

Thank you!

KR

Piet

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