topic Re: Issues combining two bodies. in Fusion Support Forum

Issues combining two bodies.

sales3MPAD — Fri, 07 May 2021 05:35:02 GMT

I have tried to combine two bodies unsuccessfully. Take a hollow Box, and insert a tube into it. I want to combine the two into a single part. However each option under combine doesn't give me what I seek. I am looking for them to merge, and for the tube stub inside the box to be removed and the box to have a hole into it with the tube such that looking down the tube you can see in side the box. So far nothing works. How do I do this?

Re: Issues combining two bodies.

TheCADWhisperer — Fri, 07 May 2021 08:52:33 GMT

Can you File>Export your *.f3d file to your local drive and then Attach it here to a Reply?

Re: Issues combining two bodies.

jean.flower — Fri, 07 May 2021 13:18:42 GMT

Hi @sales3MPAD

I wonder whether the boundary fill command might help? It's a way of doing combine operations where you can select the part(s) you want to appear in the result.

Images show two bodies I made which I want to combine without the part of the tube inside the box.

The boundary fill dialog - selecting the green "cells" can be fiddly - as well as using the checkboxes, I hovered the mouse over different parts of the image and you can see different cells highlight

the boundary fill dialog

After the boundary fill completes, you have a new body

Is this the kind of result you were seeking?

Jean

Re: Issues combining two bodies.

sales3MPAD — Fri, 07 May 2021 14:58:01 GMT

yes that is what I was seeking to do. Never used the boundary command, not even sure where it's located to be honest.

Re: Issues combining two bodies.

sales3MPAD — Fri, 07 May 2021 15:09:07 GMT

YES Jean that is exactly what I am seeking to do. Tried three times no luck, def a dodgy process. did the learn more only to find it tell me coming soon.....

Re: Issues combining two bodies.

sales3MPAD — Fri, 07 May 2021 15:24:50 GMT

Thanks Cadwhisperer, but I can't have the part on a public forum. The boundary fill seems like the right process, I just can't seem to get it to work regardless the cell selections made.

Re: Issues combining two bodies.

sales3MPAD — Fri, 07 May 2021 15:28:17 GMT

Would it make any difference if the tube is coming in at 45 deg and was coming in from a corner so it's coming through two faces of the box body? I would assume not but I am not sure what else to try.

Re: Issues combining two bodies.

jean.flower — Fri, 07 May 2021 15:40:48 GMT

Hi @sales3MPAD glad this seems to be going in a helpful direction!
Boundary fill works for a tube coming it at 45 degrees and it also works if the tube meets multiple box faces too.

The most tricky part was selecting the correct cells. It took a few goes to get that right when I created the images above.

Re: Issues combining two bodies.

sales3MPAD — Fri, 07 May 2021 15:50:34 GMT

Well then I have epically failed as I have tried just selecting one cell just to see it do anything. It remains the same afterward as it does before.

Re: Issues combining two bodies.

sales3MPAD — Fri, 07 May 2021 18:45:36 GMT

I just thought of something. Would it be an issue if the tubing was created from a cylinder with a hole drilled in it? I wouldn't think so but it's the only thing I can come up with as the boundary fill is simply not working.

Re: Issues combining two bodies.

TheCADWhisperer — Fri, 07 May 2021 18:55:48 GMT

@sales3MPAD wrote:
Thanks Cadwhisperer, but I can't have the part on a public forum.

Step 1. Create a dummy file similar to what @jean.flower that exhibits the same issues as your proprietary data.

Step 2. Attach the dummy file here.

Re: Issues combining two bodies.

jean.flower — Fri, 07 May 2021 19:41:11 GMT

Yes, it'd be useful to get hold of a design file that's not working for you. In case it helps. I recorded a short video. https://autode.sk/2Q024fB

Re: Issues combining two bodies.

sales3MPAD — Fri, 07 May 2021 21:06:59 GMT

Here is the file. I have tried clicking on every possible combination of cells, nothing produces anything changed.
thanks for the vid, it confirmed I was following the steps correctly.

Re: Issues combining two bodies.

davebYYPCU — Fri, 07 May 2021 23:30:31 GMT

I could not select the correct cells either,

I would not model this the way you did. (4 extrudes for me)

Following your lead, used split body, combine and remove to get there.

Might help....

Re: Issues combining two bodies.

sales3MPAD — Sat, 08 May 2021 00:32:51 GMT

Interesting approach. So you needed to split the tube body, then you needed to split the box body then you needed to combine them, then you needed to delete the split pieces? I tried it but likely did it wrong as I didn't get the right result.

Hopefully Jean will answer with so idea as to why the boundary fill didn't work for either of us.

Re: Issues combining two bodies.

sales3MPAD — Sat, 08 May 2021 01:40:22 GMT

Well I managed to get the split body to work, but after moving the split part of the tube away and moving the split part of the box away, it won't allow me to delete them saying this feature is referenced by other features in the timeline do you want to delete? Doing so blows apart the design into pieces that would require putting them back together vs the removed pieces just being deleted. How can I delete them that doesn't require me to rebuild the part?

Re: Issues combining two bodies.

davebYYPCU — Sat, 08 May 2021 02:24:57 GMT

Not Delete - REMOVE.

You would have none of this drama,

if you build the box, then the rod,

extrude cut the box will cut the tube as well, then extrude cut the tube.

Might help....

Re: Issues combining two bodies.

sales3MPAD — Sat, 08 May 2021 06:20:33 GMT

Wow. I couldn't find REMOVE. But hey tell you what. Don't respond to my thread further, or any of them ever. I don't do this for a living, I am trying to learn something unfamiliar.. Go be and Ass on somebody else's time.

Re: Issues combining two bodies.

davebYYPCU — Sat, 08 May 2021 07:47:13 GMT

So your not learning from my input - fine.

Re: Issues combining two bodies.

sales3MPAD — Sat, 08 May 2021 17:54:56 GMT

I am interested nt help, like Jean provided. I wasn't berated or told I have drama.... Simply shown what they did. I hope to hear more from Jean. How I built the parts shouldn't matter as long as they are allowed by Fusion. Everyone has their own workflow approach. I have looked at every dropdown, create, modify etc and no remove command shows on my version of Fusion.