Contents Chapter 6: Generate a Build File | 6.1. Generating a Build File for SLM Machines | 6.1.2. Changing Build Process Parameters | 6.1.2.5. Up-skin Recoating Parameters | Print page 6.1.2.5.6. BorderNumber Of Borders: The number of borders to be generated.Offset: The distance from the contour to the outer edge of the part. « 6.1.2.5.5. Rotation 6.1.2.6. Down-skin Parameters »