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A 3Dspline tangent to a circle

Question asked by Pet Peever on Oct 3, 2012
Latest reply on Oct 7, 2012 by Jerry Steiger



The spline of the sketch 3Dsketch3 is defined with 2 points.


So, it's very strange that it's in black, since a spline needs at least 3 points


But I want a tangent relation with the circle of the Surface-Revolve2, and then I get some red.


It's very funny, because when a curve is totally defined, it remains in blue (see my thread

and I can drag this curve all around the sketch.


When the curve has still degress of freedom, it is in black, and it's impossible to get what I want otherelse than to create a construction line (impossible to define others relations than with lines, with some tangent vector of a spline) !!!!