Use mouse to create N points as the contorl polygon of your curve. Using the following parameters to generate your desired curve.
α:
L:
Create New Curve
Reset to default
Curve order of smoothness:
2
3
4
α-b-spline curve:
Show
Hide
Close or open curve:
Open
Close
Standard b-spline curve:
Show
Hide
Contorl polygon:
Show
Hide
Standard b-spline interpolation curve:
Show
Hide
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