Drawing a sheet metal with an interior shape

3D Design
1

Hello everyone,

I want to model a flat sheet of 4 mm thickness with a deformation corresponding to a radius of curvature in its center (as if a cylinder were pressing in the middle of the sheet).

To do this, I use the "Bossing/Boundary Base" function. This method works very well with a rectangular shaped sheet metal.

I would now like to apply the same principle to a "J" shaped sheet metal.

Here is the method used for rectangular sheet:

On the other hand, when I try to apply the same method to a "J" shaped sheet, it is impossible for me to obtain the same type of deformation.

Capture d’écran 2026-02-11 170041
Screenshot 2026-02-11 170041504×562 13.3 KB

Do you have any solutions to suggest to me?
Do you think there is a more suitable method for this type of geometry?

For information, I still have very little knowledge of surface functions.

Thank you very much for your help.

Julia

2

Hello and welcome @yohann_DEMAILLY ,

Below is a proposal on an area basis. Sorry...
But the smoothing function in surface is very similar to that of volume.
image

Tole_J.SLDPRT (241.3 KB) - SW 2022

3

Hello @yohann_DEMAILLY

Can't the stamping tool solve your problem.
You create a negative (the tool) that you apply to the sheet metal.

4

@yohann_DEMAILLY
I don't know if that's what you expected.
Using the @m_blt shape, I created a shape tool and applied it to a sheet metal, resulting in the attached file + the tool

deformed sheet metal. SLDPRT (266.0 KB)

Sheet metal complexe_J.SLDPRT (114.9 KB)

Nb: the @m_blt piece is in an educational version, if you take this piece you have to go through a step to transform it into a usable tool. For your information, this was a problem for me

5

Thank you very much for your answer.
I hadn't thought of putting the form the other way around, but it works now.

6

Thank you so much for the time spent.
Indeed, this can be a solution. However, I can't make the shape to make the stamping.
Could you detail your method, please?

7

View in MP

8

@yohann_DEMAILLY (I have some time to explain)
For the stamping tool, you must:

  1. that you tell SW that the folder that contains the tool is a shape tool folder.
    image

For the forming (or stamping) tool
As in the real vi, the tool needs information.
You gave me the shape (well @m_blt ), that was the most complicated.
Then you have to give it a breakpoint, a surface (in turquoise/green) on the screen print.

image
I created a surface on top of the shape and projected the shape back to the shape of the tool, without altering the shape.
The shape surface, in yellow. I simply took the form given by @m_blt

image

(There are also the surfaces to be cut, they are red in color, not present in your case.)

I created in another file a sheet metal with dimensions 2000x2000.
image

I import the tool
image
(In the tool you can specify the insertion point or indicate it by inserting the shape)
image

You recover
Item1.SLDPRT (251.8 KB)
the outline and you remove material around it.
image

Some example:

With cut-out:
image
After selecting faces
image
image