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Sine Ring Irregular by llewelld Sine Ring Irregular by llewelld
Ring created using Functy and printed by Shapeways. It was created as an anniversary gift for my wife to celebrate 12 years of marriage. I always wanted to create a piece of jewellery for her, but lack of dexterity meant I thought I'd never be able to before discovering 3D printing.

The image shows (clockwise from top left) the OpenGL Functy render, a 3D test print in WSF, the final ring printed in silver and a Blender cycles render.

The ring is constructed from 6 parametric curve threads each with a formula of the following form:

x = (8.5+((1+A*cos(B*4*a*(2*pi)))/2))*cos(a*(2*pi)),
y = (8.5+((1+A*cos(B*4*a*(2*pi)))/2))*sin(a*(2*pi)),
z = A*2.5*cos(B*2*a*(2*pi))+(1-A)*(1+A)*((2*B)-3)*2.5,
r = 0.5,
where A ∈ {0, 1, -1}, B ∈ {1, 2} and the parametric variable a ∈ [0, 1].
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:iconestherhase:
Estherhase Featured By Owner Sep 14, 2012
Amazing! The process is fascinating, as is the design idea. I always found designing jewellery to be especially difficult.
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:iconllewelld:
llewelld Featured By Owner Sep 15, 2012
Thanks Esterhase. I'm really pleased you like it. My strategy when designing it was to approach it with no prior ability whatsoever. If I'd thought about it, it would have made things much harder!

Your comment suggests you've designed some jewellery, but I don't see any in your gallery. You've got some great line drawings though.
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:iconestherhase:
Estherhase Featured By Owner Sep 15, 2012
I decided that I was no good at it long before I joined DeviantArt.
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:iconllewelld:
llewelld Featured By Owner Sep 15, 2012
I'm sure it's our loss then :(
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:iconullises:
Ullises Featured By Owner Sep 11, 2012  Professional Photographer
Beautiful model and creation, and congratulations on your 12th anniversary. Best of luck to you both!
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:iconllewelld:
llewelld Featured By Owner Sep 15, 2012
Thanks Nelson; I really appreciate you saying so. We've made it to 12.02 years now, so making progress ;)
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:iconullises:
Ullises Featured By Owner Sep 15, 2012  Professional Photographer
hehe Your most welcome, and good to hear David!
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:iconluxxeon:
LuxXeon Featured By Owner Sep 9, 2012  Professional Digital Artist
Great job. Very intriguing design.
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:iconllewelld:
llewelld Featured By Owner Sep 9, 2012
Thanks, I really appreciate you saying so. The design is actually a lot more structured (and symmetrical) than it looks in the images, so they're a bit deceptive.
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:iconluxxeon:
LuxXeon Featured By Owner Sep 9, 2012  Professional Digital Artist
I'm a huge sucker for symmetry in art. I don't know, it's just the way my brain sees things. I read somewhere that the more symmetrical a human face is, the more beautiful the person is perceived to be (in the eyes of others). So I guess it has something to do with human nature, and the perception of beauty, as our brain tells us it "should" be. The ring is absolutely beautiful to me, and I'm sure your wife was thrilled by it. How proud you must feel, having created it for her with yourself. Fantastic. Congratulations, by the way, and best of luck to you both in the future. By the way, the Blender render of the ring is excellent. Great work all around.
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:iconluxxeon:
LuxXeon Featured By Owner Sep 9, 2012  Professional Digital Artist
I meant to type "by yourself", not "with yourself". haha. You know what I mean I hope. I'll download and try you program in the near future. I'm amazed at your talent in being able to write your own application. I'm sure you will see huge success in the future. Just remember us "little guys" when you get all rich and famous. ;)
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:iconllewelld:
llewelld Featured By Owner Sep 10, 2012
Yes, I remember the research about symmetrical faces too (possibly this?). That always seemed surprising to me, although there's no doubt different types of symmetry can produce beautiful results in general (as many of your pieces demonstrate).

I'm glad you like the ring though, and very grateful for your kind words. However, DA is a very humbling place to be when I look at what other people are creating; I'm just happy to have the chance to interact with such talented people!
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:iconanthonyralano:
AnthonyRalano Featured By Owner Sep 9, 2012  Professional Digital Artist
Awesome. 3d printing amazes me. Very nice. Also your blender render came out great as well.
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:iconllewelld:
llewelld Featured By Owner Sep 9, 2012
Thanks Tony :) I spent ages trying to arrange the render to match the photo, and although it's not perfect and still a bit grainy, the accuracy Blender manages to achieve still amazes me. It's nothing compared to your renders, but I'm pleased with it nonetheless.
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:iconanthonyralano:
AnthonyRalano Featured By Owner Sep 9, 2012  Professional Digital Artist
thank you. Just don't print any 3d guns. I watched that on the news today. People printing 3d guns. We are all in trouble now.
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:iconllewelld:
llewelld Featured By Owner Sep 9, 2012
Wow. There always seems to be some way to subvert exciting technologies in depressing ways.
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:iconanthonyralano:
AnthonyRalano Featured By Owner Sep 9, 2012  Professional Digital Artist
Well at least you were making a ring for your girl and not a gun to shoot down the block.
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:iconllewelld:
llewelld Featured By Owner Sep 10, 2012
True. I'm not sure the latter would have been too positive for my marriage ;)
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September 9, 2012
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