Extruding and capping a profile section

Rhino
1

I am trying to extrude a box section

and have selected the whole shape, I then used Extrude Planar Surface/Straight, both sides and solid.

Although it has extruded the box section I cant seem to cap both ends?

Q1 Am I using the right tool?

Q2 If yes how do I cap it?

Q3 if not the right tool which one?

Any help will be most welcome

2

can you clarify what a box section is?
an image will help or better, upload the geometry (3dm file) that shows the shape you try to extrude.
Closed curves can be extruded to a solid shape with the _Extrude command.
_SelClosedCrv and _SelOpenCrv might help you find if there is an issue.

3

Hi,

Thanks for getting back to me, the box section is basically a aluminium box profile which is extruded.

I cant really send an image as its commercially sensitive, but I will try what you have suggested.

Thank you for your help it most appreciated Gijs

4

I’m sure you can find similar examples on the internet that you can post here.

5

Hi,

Sorry for delay but here is just a profile I have made up, how do I cap both ends or what tool or command do I use?

When generating I used the Solid, Extrude Planar Curve Line and then picked

Output Surface

Both sides Yes

Solid Yes

It is extruding the inside and outside profiles but the space in between is empty?

Profile trying to cap ends.3dm (287.5 KB)

6

Your outer profile is not a closed loop. It also has overlapping segments. Select all of the parts, Explode. Then use SelDup, Delete the dupes that are found and then join. You will now have 2 nested closed curves. Your solid extrusion will then work.

You can also select the whole profile mess and use CurveBoolean on it to fix it in one go.

7

Thank you will have a go now :grinning_face:

8

That is working a treat a big thank you mate really appreciated :blush: