To create a pattern:
Click Move in the Edit group of the Design tab.
Select the Create patterns checkbox in the Options -Move panel.
Select a protrusion, depression, sketch, points, axes, planes, origins, or 3D curves to be the first member of the pattern.
Drag a move handle to copy the first pattern member to the location of the last member of the linear pattern.
Type a new value for the pattern count.
Press Tab to change the distance or spacing.