How to make this ring in RhinoGold

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Permalink Reply by Sébastien Mennetret on February 23, 2012 at 9:54am

Hi,

This is not really difficult to do, but it is to explain the whole method. Is there some specific things you can't figure out ?

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Permalink Reply by Vangilbergen Mathias on February 23, 2012 at 12:23pm

Hi Sebastien

i dont have so much experience with it but i can make the top and the core more or les ,but its the connection between top an bottom that i dont know how to make it look like the original .Mayby there is another way to make this ?

I will include the file so you can see 

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Permalink Reply by Sébastien Mennetret on February 23, 2012 at 3:01pm

Ok,

It's not complicated but you have to do some operations. The junction is not between the top and the bottom, but between top elements themselves. You have to consider this because the real difficulty here is not modeling, but understanding how to disassemble it, then recreate parts.

You could create a two rails surface between two elements, then cut it round and cap with _BlendSrf or _Patch depending of your initial rails choice.

Or create the surface with a surface from web curve.

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Permalink Reply by pat schmidt on February 23, 2012 at 3:28pm

did you include the file? ..also how are you going to make wax .. looks like a growing job,   (possible cast with stones in place?) or you'd have to make each element in wax, then assemble,cast and sell or let your friend worry about all that stuff..but send the file so we can look it over

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Permalink Reply by Vangilbergen Mathias on February 23, 2012 at 3:55pm

Hi 

The ring wil be printed in 2 pieces ( like on the photo) so that they can set the 4 arms with the diamonds and then assamble it togheter by laser.

 

Attachments:

• Untitled4.3dm, 2.7 MB
• Naamloos2.jpg, 72 KB

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Permalink Reply by Luís Oliveira on February 23, 2012 at 4:34pm

You have a powerfull comand in Rhinogold (Dinamic profile). With this comand you do all arcs only with a line.

=)

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Permalink Reply by David Sevilla on February 28, 2012 at 10:21pm

its pretty hard to get the profiles just right but I think this is a good aproach.  I make my bottom part of the shank then I made some profiles along the edges of the bottom shank, mirrored them over to the other side then with an arc I made a curve from mid point of profile to the other mid point.  Then i did sweep 1 RAIL.  good luck man.  Its a tough one if you ask me. 

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Permalink Reply by Vangilbergen Mathias on March 1, 2012 at 12:11pm

Hi 

I still gave it a shot to try to make this ring, but still i have some trouble with the way how the result looks!!

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Permalink Reply by pat schmidt on March 2, 2012 at 7:59am

I don't have alot of time to help but if you use flow on the bottom of the shank and then cage edit with history on then edit the points buy rotating them and such you can come close or close enough to mill ...then clean up the wax with a file  at the end before casting or just keep editing untill you like but by that time you will probably spent so much time on the model you won't make any money for your time (if your trying to make money?) or you will learn alot one of the two..as you can see I did not do it 100 % (no time but I hope this helps)

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