Hi Steve, 
 
I've attached an updated version of Nudge.js which will use the current cplane's axis directions instead of only world directions. 
 
re: View rotation - have you tried the new "Free rotation" option under Options / View / Rotate/Pan/Zoom options / Rotation style ? 
 
That style of rotation is not relative to any specific fixed direction so it could work better in the kinds of situations that you are describing. 
 
    - Michael 
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