Grasshopper

algorithmic modeling for Rhino

Extrude along curve problem

Hi Everybody,

I hope someone could help me with a problem I am currently facing.

I want to extrude a profile curve (rectangle) along a horizontal curve.

The result is not really what i want .i also tried to sweep it but it also didnt work.

i have a attached my definition.

Thank you whoever might find some time to have a look at my file

Cheers

F

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Permalink Reply by Michael Pryor on June 1, 2017 at 9:31am

Hi you just need to flatten the B input of your vector 2 point. Without that your lists were not matching and you were making 10 lists of 10 vectors (100 vectors) rather than making just 10 vectors.

Permalink Reply by Findie on June 1, 2017 at 3:03pm

Thank you for your reply Michael!!

Flattening B input does not create a proper solid object around the rail curve.

a workaround is to ,

offset the rail curve twice, create a ruled surface and extrude the surface into z direction.

if there is a smarter way please let me know.

Permalink Reply by Michael Pryor on June 1, 2017 at 3:16pm
When I flatten B I get a solid on the rail, unless it's not clear what you are trying to achieve.
Permalink Reply by Findie on June 1, 2017 at 3:06pm

attached is my alternative solution.

Attachments:
Permalink Reply by Chapulin Colorado on June 1, 2017 at 3:32pm

is this what you want?

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