Cutting along one side?
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I tried to do the same thing, using intersect-with-context, but I was unable to intersect some of the areas. Not sure why.
"Then I used the large shape to Trim the bumps."
?
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Before you used Intersect, did you place the bump geometry in the same context as the large shape?
I used the Trim tool from the Solid Tools set.
It seems to me that you might benefit from starting with some much simpler geometry to learn how to do all this stuff.
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I exploded the whole thing. It just got real bad. Will try again.
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Did I say to explode the whole thing?
I exploded the bumps one at a time to make sure I didn't have an issues with lots of geometry.
As I said, I think you try a similar but much simpler version first to learn how to do it.
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I think my biggest issue was with removing the lines. I've been doing Sketchup stuff for a while now, on and off.. sometimes the more complex geometry gets annoying to work with. Should have used Weld.
Anyway, all this is manual. It would be nice to just be able to remove everything "inside" the object with some plugin.
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I have to say. I don't get it. I didn't find the inside faces but even so. It was pretty quick to make solids and use solid tools to cut chunks out of the bumps where the intersected the wave. I didn't do all of them... maybe some were more tricky according to the angle. It was pretty straightforward. don't know what weld would do here.
But I think when you do more of this organic work, you might look at other programs too.
That WOULD be great plugin if possible.
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Dave is patiently trying to show you how to fix the issues with your model and then get the result you want. He is teaching you about smart modelling and how to model cleanly. Without neat clean models plugins won't work, you'll spend more time trying to fix your model so you can use the magic plugin. So understanding the basics is key here. Listen to Dave, he knows what he is doing.
It's 6am and I'm off to the dentist so forgive the voice, but this shows you the basic steps. Even if they aren't solids it should be as straight forward as shown here.
Take note, at the section where I mention everything is a solid, at that point you could use "SolidTools" which I don't have, to simply subtract the large shape from the small shapes therefore removing the interior bits as you want.
[screenr:1m5mqpws]hl97[/screenr:1m5mqpws] -
Thanks for the video.
Tried it again.
First fan/bump: OK.
Second fan/bump: Intersection doesn't work for some reason. I checked the edges... they line up. Tried all 3 intersection options as well as just exploding the entire geometry.
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As dave said above, you need to practice on some easy shapes so you understand what you are doing. I can see without even looking closely that you have more than one group in your Bump. No wonder it isn't solid, and it can't intersect in one go because it's in a different context. Try intersecting some spheres or cubes with a simple face so you can understand the construction of the geometry properly.
You can see in your image that the bottom section has intersected, the yellow highlighted hard line. The red circle and the cross are showing the different contexts.
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Box is correct. How many times do you need to be told? Your bump component needs to be a single thing and not a nested component.
Leave this model alone until you sort out your process on something with much simpler geometry.
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What?
No, I'm not saying that. The highlighted area should be two parts, but it didn't slice through. The lines are there, but it's still two separate areas!!!
It doesn't matter if it's a solid or not. It still doesn't slice through.
I've attached a simplified example.
If I do intersect-with-model on the bump that hasn't been cut out (the same one in the picture), it won't split.
Edit: I noticed that after splitting, there was a single polygon where the outline formed along the surface of the main object that was not cut . When I drew a line cutting it (the polygon), the bump shape separated immediately in two. I don't know why Dave didn't experience this:
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