7- Stacking Ring Design 3D Modeling in Rhino 6: Jewelry CAD Design Tutorials #94


Welcome back to PJ Chen Design Channel.
Today we are going to talk about this stacking rings, and how they can be
arranging nicely on the bottom but flow on the top. Are you ready? Let’s get
started! We are going to starting the ring at the
front view, and decided what ring size we are doing. So 16 mm it’s fine, like what I do
usually, and then we want to draw a line from the center, snipping into this
quadrant, and depends on how big you want. It depends on your design, so I’m gonna
have roughly about 6 millimeter width when they all stacking together. So I
wanted to have 3 on each side. That gives me something like this.
I’m gonna mirror that piece we just draw, and send it to the other side
by mirror. So I will have something like that. First of all,
I’m going to draw my first and last ring. and I’m going to use the curve is called
interpolate point, and I’m going to starting with something like this. You
can be creative, but make sure that the it doesn’t have really tight area.
You may have a problem when you try to sweep, and you may not look nice. So we
want to have the curve is small like a gentle curve there, and you keep editing
until you find something that you like. The second curve gonna snap
into that point, and we can have it come over something like this.
and then if that’s not that things they want. You can add it at one more time.
I need to have five in between, so I’m going to use, this is a
total of seven rings stacking together, so I’m gonna come to the top view, and
use the commands called tween curve. I’m going to tween you and you in between, so
you will evenly out between the curve like this to create those profile there.
Now I have all those curve I needed. this curve in this orientation.
so what we’re gonna do is we’re gonna split this curve first in half. I’m
going to split by this curve, so I have the top curve I’m going to put into the
red colors, easier for you to see. We also creating a new layer, and that’s the
layer we want to work on. So first we’re gonna use the Curve from 2 Views,
and we’re gonna do this one with the first curve. Again this one with the
second curve, and then you’re gonna do that to all of them. Make sure that you
you color it right, so you won’t get confused what is what, and you cannot do
all of them at once. You have to do it separately
so that’s how we get the top one. For the bottom one, I’m gonna just gonna copy the
rest of them in there, and that’s how you get the bottom one. if you like it let’s
go ahead to select both of the top in the bottom and let’s go ahead to join
them so now they become one curve. We need to do the profile on the bottom.
I would like to have it on the bottom this because it’s just much easier if
you need to do editing, and your seam is on the bottom, so let’s use the
conic corners on rectangle, and I want to type it 1 and 1, so I will
have something like this. That would be the profile for us to sweep, and I want
to move that to the end point right here. Then just basically copy a lot of
them, because the distance that I have is exactly one, so this will be fine if you
wanted to have a different size and thickness. You might want to calculate
before the gap on the top as well. Let’s try one and see what happens. Sweep one,
rail one, cross section, and then we get something like this, and I just gonna
keep doing for the rest of it. This is a good example right here. if you
happen to have something like that. Something wrong with your curve. The best
way to solve the issue is actually rebuild all this point. So let’s go ahead
to rebuild all the curves, and we do not want to have a too much of a change here.
but 15 seems okay, I’m just gonna add it one more for 16. If you see the
change is too big that you don’t like, you can actually bump up to more points,
and they will get more closer. Let me bump it up to 24, so you get really close
to set this area, and that is a acceptable, and I’m going to click OK. We also need
to double make sure, it is still round enough. if not, we have to create a
surface and pull back. Let’s try one more time and see if that still the
problem. Let’s go ahead sweep one, got this one as a rail,
cross-section, and it’s much better now. I’m just gonna go ahead to finish the
rest of it. and you can arrange some strone setting
on the top. If you want a course for stone setting, it’s in the description
below, and teach you all different type of a stone setting. I want to give a big
thanks for Dari’s Jewelry, Carlos Hernandez Conger’s Jewellers, and Slavisa Paunovic. If i pronounce your name wrong I’m really sorry, but I want to thank you
for your donation. That really helped me to improve my channel, buying the
equipment that I need, and update the software. Thank you for your donation and
thanks everybody for your watching I’ll see you next!

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