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1. Click 

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   _add_stream_calculate _add_stream_calculate nopanel true

   , drag it onto the model, then drop it on the modelling pane. You can also drag the icon around.
2. When you drop an object into the model, PhixFlow opens a 

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   _properties_tab _properties_tab nopanel true

    for it on the right. 
3. In the stream properties → Basic Settings, set:
   Name: Practice Stream

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   _to_finish _to_finish nopanel true

5. PhixFlow updates the stream icon in your model to display the name Practice Stream.

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