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Spline Automatic ribbon bar in mastercam

Choose Create, Spline, Automatic Spline.

Spline Automatic ribbon bar


Use this ribbon bar to automatically create a spline from a string of points that lie in a defined pattern. Select three existing points in the graphics window to define the spline.

The spline passes through the first two points that you select then through all other points that lie within the pattern until it reaches the third selected point.

Choose the Edit End Condition button before creating a spline to further define the spline by setting the tangency of its endpoints in the Spline End Conditions ribbon bar.


  • AutoCursor is unavailable during the use of this ribbon bar.
  • If the number of points in the spline exceeds the maximum number of points allowed, a message will appear asking you if you would like to create multiple splines. If you choose Yes, Mastercam will create multiple splines, connecting start and end points of each to create contiguous splines. If you choose No, the spline will not be created.

Shortcut Keys

C – Edit end conditions

O – OK (fixes live entity and exits function)


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