FilletEdge to create 50/50 surfboard rails

Hello, I am trying to fillet the selected edges below, however with a varying rail radius length that creates basically a 50/50 even rounded edge between the top and bottom sides of the object if that makes sense. In other words the radius length for FilletEdge should be equal to half the distance between the two edges along the entire side of the object. If anyone knows how to do this either in rhino or grasshopper please let me know thanks!

blendsrf may get you there.

delete the vertical wall and blend the top and bottom surface

You should be able to do this with FilletSrfToRail. You’ll need to draw the centerline of the side surface first.

@Hunter_Strickland you might like to check this YouTube series for ideas on your project:

I would highly recommend you use a SubD object for Surfboard design in rhino. To get a pure 50/50 rail just needs the control points be arranged evenly spaced on the rails.

Cheers

DK

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