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Does FAB 3000 supports Polar and Relative coordinates?

I wish to draw a boarder with one corner that's 45 degrees (i.e. chamfer). Can FAB 3000 do this easily using Polar and Relative coordinates?
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I you wish to add a route around the board, remember that FAB 3000 supports Polar coordinates.  So for example I wish to draw a trace around a board with one corner that's 45 degrees, I'd do the following:

1. Go to menu:  Add Trace...
2. Select my active Docde (from the toolbar pulldown).
3. Assuming the lower left corner of my board is 0,0 and I'm using inches for units, enter in the following coordinates - in the command window:
0,0                      <------ Start point
@5<0                 <------ @ tells FAB3000 to accept polar coords.  Move 5 inch at 0 degrees.
@4<90               <------ move 4 inches at 90 degree angle
@-1,1                 <------ move -1 in the X, and 1 in the Y. Creating the 45 degree angle
@4<180             <------ move 4 inches at 180 degree
@5<270             <------ move 5 inches at 270 degrees. Closes the trace.

Right Click to end 'Add Trace'

Here's a movie tutorial showing exactly how to use polar coordinates (no sound):
http://screencast.com/t/ci0ntj6fc
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