To orient the custom pivot to a component
- Activate custom pivot editing mode.
- Click a handle on the custom pivot manipulator.
- Ctrl + Shift-click a component.
- If the centre handle or X-axis handle is selected, the custom pivot's X-axis orients to the selected component.
- If the Y-axis handle is selected, the custom pivot's Y-axis orients to the selected component.
- If the Z-axis handle is selected, the custom pivot's Z-axis orients to the selected component.
- (Optional) Pin the custom pivot.
- (Optional) Ctrl-click in the area outside the object to reset the axis orientation.