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The new Style Spline actually isnt something new in the world of CAD. .Its called a Bézier curve. .Our current spline also has the ability to be shaped by its control polygon as well; however this is something that cannot be referenced. .Although its a great way to quickly achieve shape, this can sometimes lead to undesirable or confusing behavior, or make the curve difficult to constrain. .Therefore it has the potential to be less prone to problems.This is why a Bézier curve makes a great bridge curve in most situations.When sketching the curve, we do not automatically create relations between the CVs and other geometry in your sketch or model.The math that that goes into calculating a Bézier curve uses a single polynomial called the Bernstein Polynomial. .Complete the form below to get started.The CVs need to be free so the user can drag them to further shape the curve.First, when sketching the curve, which is done by its CVs, it is not only possible to infer tangency at the first endpoint, but you can also infer Equal Curvature.B-Splines on the other hand use multiple polynomials to achieve their shape, and are a generalization of multiple curves.This is due to the fact that the curve may jump abruptly since all the CVs are not free to adjust in order to maintain shape.
This is to accommodate the extra degrees of freedom the user is requesting.