This is where the tool becomes powerful. While dragging, look at the "Measurements" box in the bottom right corner.
"It says 'Operation Failed' or 'Invalid Face'"
"My toolbar disappeared!"
"Where can I get it for free safely?"
Use this mode when you want to pull a curved wall or create a bent pipe.
If you are designing 3D-printed parts, architectural facades, or terrain maps, standard Push/Pull will give you paper-thin walls and broken normals. Joint Push Pull Interactive Free gives you: