The FilletSrfToRail command creates a surface blending between a surface and a curve referencing the curvature of another surface.
Steps
Select a curve.
Select the surface near the curve.
Select another surface.
Options
Blend Type
Arc: Creates a fillet surface with arc sections and tangent (G1) to the input surfaces.
Deformable: Add more control points to the filet sections for adjusting tangency and bulge.
Deformable degree: Sets the degree of fillet sections from 3 to 5.
Tangent: Moves the second points on both ends in the tangent direction.
Bulge (For degree 4 and 5): Moves the point(s) in the middle to make the fillet sections sharper or flattrer.
G2 Blend: Creates a blend surface connecting to the input surfaces with curvature (G2) continuity.
Trim: Uses the output surface to trim the input surfaces when possible. History is supported when the Trim checkbox is disabled.
For more information, please refer to the Rhino documentation.
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