Sometimes it's a nightmare to draw pipes and ducts, as you can't choose the axis or direction to go.
How to go up when drawing in 3D? You simply can't, you have to mess with offset parameter. So, drawing in 3D view is almost impossible.
The result is that Revit HVAC modelers spend hours battling with Revit in order to make simple models.
Plant3D system is WAY better. Control+right click and you can switch between axis and directions to draw in any direction, in any angle.
Come on guys, you can do better.
