is folding a solid possible?

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japie
Posts: 163
Joined: Thu Jun 26, 2014 5:49 am

is folding a solid possible?

Post by japie »

Hello guys,

Running into my/a limitation with a metal sheet drawing, I can draw the shape I want and I can draw on the exploded sheet but I would want to combine those 2.
This is the shape:
securityscreen.png
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And this the drawing of the exploded/flattened sheet:
veiligheidsscherm.png
veiligheidsscherm.png (129.64 KiB) Viewed 1161 times
I would love to have those perforations in the shape as well, how do I combine those 2?

https://drive.google.com/file/d/1aMB_06 ... sp=sharing
https://drive.google.com/file/d/1ZnmbpB ... sp=sharing
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vanuan
Posts: 539
Joined: Wed Oct 24, 2018 9:49 pm

Re: is folding a solid possible?

Post by vanuan »

Is this perforation a projected surface or unfolded? Wouldn't subtraction work?

That is are these holes rectangular in the real world?
japie
Posts: 163
Joined: Thu Jun 26, 2014 5:49 am

Re: is folding a solid possible?

Post by japie »

It's on the unfolded sheet (for lasercutting the perforation drawn afterwards is fine) but somehow I can't stand to know how to really draw it ;-)
I have no clue where to find substraction, tried some boolean from part WB but that didn't work out.
TheMarkster
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Re: is folding a solid possible?

Post by TheMarkster »

I'm not sure if this is what you want or not, but you could combine both bodies into a single document, make clones of the bodies, adjust the scales, position them together, and take the common.
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The file is too large to attach.
japie
Posts: 163
Joined: Thu Jun 26, 2014 5:49 am

Re: is folding a solid possible?

Post by japie »

Thanks guys!

Got a result, not sure how the common takes it's limits but I'am getting somewhere!
Schermafbeelding 2020-09-04 om 23.05.49.png
Schermafbeelding 2020-09-04 om 23.05.49.png (246.87 KiB) Viewed 1080 times
jaisejames
Posts: 384
Joined: Sat Sep 24, 2016 6:51 am

Re: is folding a solid possible?

Post by jaisejames »

It is possible with bug fix
https://github.com/shaise/FreeCAD_SheetMetal/pull/132
Screenshot.png
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papyblaise
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Location: France

Re: is folding a solid possible?

Post by papyblaise »

this is the best I can do
we cannot use the bend tool along a line because there is too much intersection with the square holes
this tool has a lot of limitation
I think you have to do the job in 2 times: first do the laser cut sheet by hand as you did
and to have an overview of the finished part: we can make the bends with the tool (if it wants to work well) and the holes in 2 times: first horizontal lines to the best of the curve, then the vertical lines and do a fusion
In my file, the fusion is not finished to have an exportable file
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japie
Posts: 163
Joined: Thu Jun 26, 2014 5:49 am

Re: is folding a solid possible?

Post by japie »

For making the part in real life I draw the bend sheet in sheetmetalWB, unfold it (lasercut the flattened uncut sheet, fit and adjust size if needed) and make the cuts afterwards and then do the final lasercutting.

How do I install the modified sheetmetalWB?
It's one of my most used WB's so I am eager to test it and see if old drawings are affected or not.
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