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■ Constrain the scale to a plane. Click between the parallel lines between
the axes that define the plane. This option is only available for meshes,
not solids or surfaces.
■ Constrain the scale to an axis. Click the axis. This option is only available
for meshes, not solids or surfaces.
Specify scale factor Specifies the amount of change. Drag to dynamically
modify the size of the selected objects or enter a scale value. For example,
enter 2 to double the size of the selection.
Copy Creates and scales a copy of the selected objects.
Reference Sets a scale based on a ratio.
■ Reference length. Sets the relative amount that represents the current size
in the scale ratio.
50 | Chapter 1 3D Commands