Translations:PartDesign PolarPattern/10/en

Select reference
Here you can select an edge as a reference.

If that option is chosen only the edge of a feature being used just before the polar pattern-operation is choosable. So you are able to use this option by: The pattern direction can be reversed by ticking 'Reverse direction'.
 * creating a helper feature (for example a pad) with on of the edges being the axis of the polar pattern
 * create feature (pad or pocket) to be patterned
 * select polar pattern feature and select edge as reference
 * use another helper feature (for example pocket) to remove your first helper feature.