Available in TurboCAD Platinum only
Faces can be extruded from/into the body of an object to create extensions or depressions. This moves the original face and adds new faces along the axis of movement. You can extrude multiple faces simultaneously. You cannot extrude if the Edit tool is in Selector Mode.
To extrude select the face/s you want to extrude using the Edit tool. Selecting SMesh Faces
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Positive values will extrude away from the body of the object, negative values will extrude toward the body of the object.