To Offset a Boundary Curve
1. Select a one-sided edge, such as the edge of a quilt, and click > 
Offset. The edge is highlighted, and the Offset tab opens. The selected curve appears in the Boundary edge collector on the References tab.
Offset. The edge is highlighted, and the Offset tab opens. The selected curve appears in the Boundary edge collector on the References tab.2. Make sure that 
Quilt Boundary Chain is selected.
Quilt Boundary Chain is selected.3. Enter a value in the 
Offset value box to change the offset distance. You can also drag the handle, or double-click the dimension and enter a new value.
Offset value box to change the offset distance. You can also drag the handle, or double-click the dimension and enter a new value.4. Click 
to flip the direction of the offset.
to flip the direction of the offset.5. Click 
OK to complete the boundary offset curve.
OK to complete the boundary offset curve.