Blend question

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 From:  Luis (LFUNG)
4757.1 
Hi Michael,

I was playing around with the blend tool to create a handle. I can successfully create a solid by joining the all surfaces np...

I just wanted to know how to align the seams so that it flows like one fluid piece, rather than an obvious patch of surfarces.

Do I need to construct the middle part to align the seam with the others or is there a way for the blend and/or join tool to handle the display effects?

Thanks,

Luis



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 From:  Michael Gibson
4757.2 In reply to 4757.1 
Hi Luis - I don't think you need to worry about the seam - that kind of structure you have there will have obvious separate surfaces even though the blends are technically smooth because you have such a large difference in shape between the middle section (with it being squished) and the end sections being fully round.

Also just having one section of the shape completely striaght and all other parts curvy will also make that completely straight section stand out as a distinct piece as well, no matter what kind of other shape you have coming off the ends of it.

In order to make any shape have not so distinctly separate parts to it, you usually need to make the whole shape more continuously gradually changing rather than having areas where the shape is fixed and then only changes abruptly in certain areas.

Usually that kind of gradual change is easeist to do by creating one larger single surface through more of the whole shape rather than doing little bits and pieces of it separately.

Something more like this using Loft:





To make it smoothly connect to other adjacent pieces at the end you can then use Fillet or leave some space and use Blend.

Let me know if that's not the kind of result that you had in mind.


Now don't get me wrong - this does not mean that you want to create every single model out of only 1 surface. But portions of the model that you want to look like one seamless smooth thing which do not have any abrupt changes in them are usually a sign that they should be made up of 1 surface. When there is a tight corner-like bend in some area, then that's something like a fillet that you want to have as a connection between 2 larger surfaces.


- Michael

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 From:  Luis (LFUNG)
4757.3 In reply to 4757.2 
Well, I was able to create something more like you said, but also more like I wanted. I just lofted the ellipses of the middle part and the re-did the blends to the other parts. now it looks more smooth. :)

Don't know if it really affects the surface quality though (e.g. makes it better, worse or its the same)...

cheers,

Luis


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 From:  Michael Gibson
4757.4 In reply to 4757.3 
Hi Luis, well if it looks like you want then that method should be fine.

- Michael
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 From:  Luis (LFUNG)
4757.5 In reply to 4757.4 
Lol. Trust me, it ain't the most beautiful thing I ever created...hahaha.

I'm purely looking at the differences of doing one thing vs another. just practicing and learning new techniques. :)

Thanks for your help and guidance!! :)
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