Welcome back to PJ Chen Design. Today's topic we are going to talk about how to
do this Wire free form ring and fitting into this dome shape.
Are you ready? Let's get started
To start our ring, we're gonna start at front view. Let's set the diameter for 16
millimeter, then we want to come into the right view to set up our profile for the
dome. The one on the top, I'm going to snap into the quadrant, and I want
to make it a little bit wider, so maybe something like this roughly about 10
millimeters wide. If it is too tall, you can adjust the high if you want to, and
then let me close it over here, the other one we could just mirror this one or we
can draw another one. I'm just gonna mirror it to the other side, and make
sure that you want to use the scale 3d tool to scale it down something like
that. Okay watch out the thickness, you don't want it to be too thin, otherwise,
you may have a casting issue, or it's changing too dramatic. Let's go ahead to
join both of the arc and a line together. We are going to making the
surface, let's do the sweep one rail. This is your rail go from here to here, and
then hit Enter. Normally I will have it right in the middle, because that's where
the seam is, and so we're just gonna keep like that, and then we want to close
the sweep to get our dome ring first.
This is the dome ring and then we need
to have an opening. We need to find the edge for the thickness that we like
for those two wall on the side. We're gonna extract Isocurve and then it's
gonna pick up this surface, and I'm kind of eyeballing where I want this ring to
be cut. So we don't want to do the same thing on the other side. Best
way to do is just mirror to the other side on the top view.
Let's hide the dome ring, and when we are looking at those. Let's
draw a curve, a straight line from the middle and we simply just want to use a
line move up a little bit, and to trim the area that we don't want, which is
on the bottom. Now we have this to showing the thickness of the boarder, and
we are going to connect this bottom to be a round one, and let's go ahead
to use the blend tool, and we're gonna bland from this end to that end, and then
we're gonna blend it again from this end to that end. I didn't adjust the length
because I want to make sure both sides the same so I'll rather adjust the curve
instead of adjust the length individually. Now we have this.
Let's turn on our ring. This curve is not exactly on top of it, where the plane is
not exactly on top of the surface. What we wanted to do is using the
pull command, and we're gonna pull this curve back to this surface, and you can
see now it is on this surface. We gonna make a copy of the ring, and then just
hide it in case we need it later. We are going to split this
surface by the curve over there. Let me turn it in other colors, so you can see
where that curve is. Now we have the surface that we are going to work, so I
want to offset the surface going in a little bit. My wires is going to be 0.6
millimeters in diameter, so I'm going to flip it inside for 0.6 millimeter, and make
sure solid=no, and we want to create a surface, so let's hide this
one. This will be the surface that we want our curves to hop on it. So we
also gonna hide this one to deal with this surface only. The way I'm going to
do is throw a bunch of the curves.
or straight lines and you can be spontaneous or you can be like really into certain
pattern. You might not want to have a too many so once you have the piping you
won't look like too crowded. Let's give it a try. We want to project this
guy to this surface. Notice that because this is a projection, somewhere on this
side you can kind of see this is getting more rounded instead of a straight line
that we like. If you pipe it this guys, let's give it a try,
then you will get something like this. If that is something that you like that's
fine, we can go ahead and finish that, but I'm going to show you the second way to
work with this. The second way we want to create UV curve, so we have a UV
curve over there, and I'm going to use exactly the same curve maybe stretch a
little bit for the comparison, and we are going to use this curve to trim
everything else that is not inside of that area.
Now this is our curve over there. watch out this point, it may have the
problem on the piping. so I'm just gonna move it outside and trim it again, and
make sure you don't have anything hanging inside. Otherwise, we'll see the
end of the piping. Let's making this into a surface by surface
from planar curve, and then we want to move it this back to that surface. We
need to bring it back the rest of the ring, and let's give it a try. We want to
do flow along the curve, and we want to pick up this end. We want to
coming to the bottom, and pick up this end. That will help on this
surface. Notice that it's not the surface that we wanted to hop on we want to
actually go down a little bit in this case I'm going to move this down 0.6
that way that will be hopping on the surface over there. so let's do one
more time, flow along the surface, and then we want to go base over here, and
clicking on over here. So let's turn off the ring, and you kind of see this is
hopping on the surface really nice, so let's give it a try we want to pipe
it and see what piping look like. also you can notice that the line is still
keep it straight looking, so it's not like project, it was kind of curved.
We'll go ahead to use the pipe, and you want to set it up the same
radius, and that will be the ring that we have. Let's bring back the rest of the
ring, we also need to make sure the surface in between is closed.
First, let's duplicate the edges. Go all the way around this guy, and also the edge
from here all the way around. We can have a perfect fit. And Let's
joining it. Now it leaves us two curves. I just
mark it in the red color, and then we can use the loft tool, and we're gonna loft
from here to here. We want the seams to be aligned. I usually like to align to the
tip of the circle or the quadrant or the midpoint over there, and let's click
ENTER. Then we'll get the very nice surface there. We can kind of join it, and
we can turn it on the curve that we have. You can also punch it through all the
way to the end like what I have. When you punch it through all the way to the
end just make sure that the loft is going from inside of a ring shank to
the top of the Ring, and then you can do double of the same style then you will
get this hollow form. I need your help to ask all your friends and relatives and
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