Pick a point, you enter a distance offset from that point.
You can also select the Axis of the offset X Y Z - default is Z [up]
A cpoint is added at that given offset [use -ve values for opposite vector].
The last used distance is remembered.
Usage: Plugins > TIG-PointOff
Downloads: 1456[ Version Updated: 2013-11-20 18:17:00 ]