How was this symbol created?

[ClemensPalm1]

Hello, how was this dot icon created with the line? It automatically adapts to the scale. (ArcGIS Online)

Found at: Serveur de démos arcOrama 

I hope someone can help me. thanks.

[Anonymous User]

Hi Clemens,

It looks like it was made with the Line Callout 3D Property. Here is a live sample as well. 

Hope that helps,

-Peter