Aligning Elements to a Surface in 3D

The Align to Surface relative construction method is only active when working in the 3D Window. It enables you to fit elements onto non-horizontal planes when working in 3D views.
Note: The 3D Editing Plane enables you to do the same functions graphically.
4.
Activate the Align to Surface Relative Construction method in the Control Box.
4.
Choose the Edit command you wish to execute, e.g., stretch an edge of a slab to the intersection of a roof and the User Origin.
6.
Select the Align to Surface icon.