Hello everyone, starting with the Rhino 6
Autodesk t-Spline is no longer available for Rhino, so in the old time, this kind of really smooth surface it's really easy to
achieve in the t-spline in the Rhino We can still make it happen. It just take
a few more steps. Today, I'm going to show you from this step, from red color,
getting into the purple color. Welcome back to PJ Chen Design channel. This
channel is to share Rhino 3D knowledge to help students and 3d model
professionals to learn various Rhino techniques. Are you ready? let's get
started. when we have a model something like that, the intersection look really
harsh. If we look at the render view, you can see there's a fold line there. In
order to make them smoother, one way that you can do is to give the
fillet edge on all four edges, but before we do that we need
to make sure they are intersect. So what I'm going to do is using the trim
tool. it's going to use this as a cutting tool. And then we want to cut
somewhere intersected, so we're gonna trim where on the other side, so it
will no longer see from this view. Okay and then we hit ENTER, we hit ENTER again
to bring back to previous command, and this time we're gonna use those two (shape) and
to trim off where is the intersected so we're gonna trim off here, and trim off
here. so on the bottom they are for different part but one you can hit enter
and select all of them and join them together all right so one of the way to
make it look a little bit rounded on those edges we are going to use the
fillet tool. Right here going to the solid tool that you will have this
"fillet edge" and You are going to use a radius for 2, so
select all the edges for radius for 2 and then you hit ENTER then you will get
something like this it's not too bad let's take a look on the render view.
It's not too bad, but instead of one line you become two lines. but you
still get to some sort of the edge there. The way I'm going to show you is
take a few more steps. Let's turn on the final result here. It takes few more steps to
get that but what is good is like you have really rounded edges. All the
way from this edge to the other edge, okay so I'm going to delete this guy and
starting from the scratch. Let's start building this structure I'm going to use
the rectangular tool and turn on my Grid Snap and counting about 4 (units) form each side so 4 from the left, 4 from the right,
and coming down here with the same distance. Okay so that's one. And then I
was just using the Gumball to rotate. Holding my SHIFT (key) and hit the ALT key and
then you'll see the "+" sign and that's how we make a copy. Okay so I select all
of them and trim somewhere in the middle okay hit ENTER so you got that cross
there we are going to use the same radius as simple. So let's go to the
fillet the curve and let's set the radius for 2, and we want to click all
those edges so there will be 2 over there. Alright so now we have all of these,
I'm going to create the arc which is the half round shape. it's
kind of snapping right here and then going from the this point
to this point. Alright so I have an arc there and I'm going to copy that one's
moving from this end point to that end point. Okay, so now what I like to do is
creating the surface, so that's going to the surface "extruded curve straight" and let's extruded this curve from this point to
the end point, where the radius ended. Let's do the other side starting from
the end point to the end point. Alright, so now we have 2 (shapes), instead of doing
everything over again. I'll go to the top view rotating 90 degree, hold my SHIFT
key and hit the ALT key, so now I have those copy. So the key is how are
we going to make everything in between I'm going to divide the center model into the four parts. Let's go to
make a straight line, and this is the guideline for how the surface is going
to flow, and so we are going to make another line here. And then I'm
gonna pick up those two lines and have them split each others, so let's pick up
this line, and split with this one, so you got that one split. We are going to do
one more time, we'll pick up this line split by this line. so we have those two
straight lines. I'm going to put it into the green color, so it's easier to tell.
Okay, other lines we will need is the edge here, and here. Okay so
I'm going to use the command- it's called duplicate edge (DUPEDGE) and I'm
duplicate this edge and this edge, okay and then they will be split by those two
green lines so now I have this like quarter of the circle
they will be sending to the green layer as well. I also need the bottom one
instead of trimming I'm just gonna explode it. Now, they are right there in
the green layer as well. So let me turn off the rest of the layers. it's easier
for you to see this, the green layer. Okay so for the green layer we need to
creating the surface in between. There are few things we can think about it how to
create this one. First of all, we can create it by join those back together,
and using sweep 2, so there will be rail1, rail2, from here. Let's
take a look how it will look. so sweep 2, rail1, rail2, from here to here, and then very quickly you kind of notice there is a
line in the middle. even though the starting point is rounded but because
the end you have that point so that's why you get this pointed surface there.
Let's see the render view, so it's easier to see. So sweep2 in this way it
definitely not gonna work. Alright. so we're gonna delete this and think
about other way, if the corn is the point it's gonna be the problem what about we
don't want that point. So I'm gonna create an arc. It's going to
snapping into this endpoint and also snapping into this endpoint, and then I
want to move the arc the third point to the end of that point, so that will be
really symmetrical in this view. Now we want to check from the side view that
the arc that we draw is completely flat on the top. because we don't want
it to bump, right? so let's take a look if this way will work we still want to use
the sweep2. Rail 1, Rail 2, you go from the bottom to the top it should be
fine right, so now we are looking at this this is really really nice we're gonna
click OK so we got a really nice surface right
there now the question is how we're gonna do the middle part, before we do
that let's take a look if is anything stick it out on the top? it's nothing
stick out, so we're going to do is to use the rotate tool, and hit "0" as
center, and I'm going to make sure on the command bar that "copy= yes" okay, and
holding my SHIFT, click 1,2,3 and 4, alright, so now they are connected
right this way all right that's turn on the blue layer
and make sure that they flow really nice okay let's take a look on the render
view all right so now this seems to look really nice but look I still can see
the line over there. So that means this doesn't blend with this way. if we
take a look on the "analyze" and then we go into the "surface", and then you can have
"zebra", so you pick up this surface this, this, and then you hit "zebra" and you
kind of see they are little bit off. right there. okay, so what is the other way we
can work with this surface to make it blend a little bit better, Alright
so I'm going to go back to my green and then go back with the steps. Alright so this is one of the curve there and actually I'm going to mirror to
the other side and just for the comparison. Okay and then we're gonna
delete this one. We were using this and this as our rail I'm going to put into
the red color. Alright, so those two are the rails. What if we reverse and see what
happened. We're gonna use the green one as a rail so that's going to the surface- Sweep2, you go here and here and starting from here end it there. Okay so let's
take a look almost identical right there but that's turned on our layer over
there and let's do a comparison. Before we do
that let's hide all the curves and you hide them. okay so let's take a look on
those and see if they are better. Okay so going to the Surface- Analyze surface- Zebra, and let's pick up all this this surface let's take a look
on it. it seems it match much better it's because the beginning and the end (curves) share
with the same curve (from surface) okay and compare with this one you can see it is off a
little bit, and let's also take a look on the render view. Alright so this is the
one that we just made, as you can see is get as much smoother at this point and
this one you will see a line okay so even though you are using the Sweep2
on both of the surfaces, because the way you pick on the rails, and it indicates
where the direction it goes. It actually make a huge difference. Okay so I'm going
to delete the old one and we are going to stay with the new one. okay now let's
go to the top view we're gonna do the same thing. We gonna go
into a rotate hit on "0" holding the SHIFT (key) make sure "copy=yes"
and let's go this way alright so now we have all of these, you
might see a little bit of line over lapping because I intended to make my
curve a little bit thicker, so you will see better. Alright, they actually are
just match. Now the surface we can use is the command is right here
"surface from 2,3,4 edges" so I'm gonna pick up 1,2,3,4 (edges)
and it will create surface. So let's take a look on the render view again so
that's the render view it doesn't look too good at the center because the
surface we create is from two three four edges and you kind of see this a tiny
break there. so it doesn't look good We're gonna go back and re-evaluate the
surface that we make. We're gonna delete this one, and we're gonna call out the
curve that we made. So right here let's go ahead to staying with the green one.
so the green one that we had this curve and we also have this curve. Alright,
so notice that the sweeping the in different direction does make the
surface like tiny different, but does show in the render. In this case I'm
going to try Sweep2 again so we are going to explode this one, so it
becomes two curves. I wanted to do is to make sure the curve is matching the edge of
this surface. so let's go to Sweep2 and this gonna be Rail1, Rail2, and pick
the edge, surface edge to be your cross-section, so then we will make this
surface let's turn on the render view to take a look. Seems like it goes much
better from this surface to this surface okay, so let's take a look and see how you look to others. So the same
command for rotate, and you're gonna snapping into the endpoint
holding your SHIFT and go from 1, 2, 3, 4, and hit SHIFT (key) so now look at the render
view it looked much better than what we have before and that's turn on this and
again you're gonna select all of them. I'm sorry, select all the curve
and again you're gonna select all the curve just the curve, just the curve, and
we want to hide it, alright so just get curve alright
sometimes you see this line there but actually they there's no overlapping
over there how do I know is you can actually join them and then this if it
is overlapping you won't able to join them. so the way I can join them I know
there's no gap. We want to do one more test. Let's go to analyze- surface and
let's do zebra again. so this time I wanna pick up the whole things and see
how thing is actually flow to each others. Alright well again this surface right
there flow really well we want to see how's the top and by by moving this you
don't see much of the interruption is going there so I will say this is a good
to go for what our purpose here. This is the way I will use for creating some
really smooth surface without the t-spline I hope you enjoy the video please like and comment and share my video that
helped me on my ranking in YouTube so that's a way I can keep making free
tutorial for you. Thank you for watching I'll see you next Monday
