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The PushPull command extrudes a polysurface face to interactively add or remove volumes on the polysurface.
Steps
Select a surface.
Curves lying on the surface can be detected for finding regions.
Use the Invert option to swap the selected and unselected regions.
Click on a region to toggle its selection state.
Move the mouse to decide the extruding direction and distance.
The preview color changes to red if the operation is going to remove a volume from the object.
When you enter a distance, the mouse cursor location is the positive direction.
*The scriptable command, -PushPull, always uses the surface normal as the positive direction.
-Invert: Swaps the selected an unselected regions. The Invert option is only available when the selected surface has curves lying on it that divide the surface into three or more regions.
-Mode: The Mode option is only available when extending is possible that is when all the surrounding surfacees are planar.
Extrude: Extrudes the selected surface without extending or shortening the surrounding surfaces.
Extend: Extends or shortens the surrounding surfaces when extruding the selected surface.
-Toggle: Switches the operation mode between Extrude and Extend.
-Direction: Defines the direction by picking two points or typing two coordinates. The default direction is the normal direction of the selected surface.
For more information, please refer to the .
