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BEM - vindo a indústria nativa e boffin) Da era industrial, aqui está cheio de espírito de Luta, Ambos através Da rede espaço biológico nativo espírito boffin VEIO a mad labs.Casa inbforum.com, Nome Definitivo: inb-english.forumotion.com


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1 Tutorials LightWave 3D Lathe Tool em Qua Jan 26, 2011 4:27 am

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by Tony Carretti


LATHE - NOUN:
A machine for shaping a piece of material, such
as wood or metal,
by rotating it rapidly along its axis while pressing
against a fixed cutting or abrading tool.

When we think of lathing something,
the first thing that usually comes to mind is
a round symmetrical object like a vase or glass.
What the LATHE tool in modeler actually
does is take a cross section that is made up
of a flat polygon and spins it around a point
of your choosing to create a 3D shape. For example,
let's create the classic wine glass.

Start off by firing up modeler.
In the CREATE tab,



go down the toolbar until you
reach the PEN tool.



In the BACK viewport,
go ahead and create the 2D shape that will represent
the cross section of our fancy glass. Here's
what you may come up with:



Drop the pen tool by tapping
the SPACE bar or by clicking in the gray
area at the bottom of the toolbar button.

OK now we're ready to lathe
our cross section.

Click on the MULTIPLY tab
along the top



and then click on the LATHE button
in the toolbar.



The shortcut for LATHE is
(SHIFT+L). You can see that your cursor now looks
like a small arrow rotating around a small beam.
The arrow actually is a representation of the
direction of the lathe. Since you created your
cross section in the BACK view, use this
same view to LATHE your object. Place
the cursor at the edge of the polygon that represents
the very center of your glass.



Click and drag in a downward
direction. You can now see your object being
lathed in real time. If it looks like the object
is inside out, don't worry. Simply drag upwards.
It takes a few times to get the feel for it,
but soon it'll be second nature.



OK, after you're done creating
all the wonderful things that might come to mind....
(like a bowling pin, flower pot, baseball bat,
Liberty Bell....... etc... I'll show you another
way that the LATHE tool might come in
handy.

Create a new object by clicking FILE/NEW
OBJECT


In the BACK view port,
using the PEN tool, create a polygon that
looks something like this:



Now, if you don't already have
it showing, open the Numeric Options Panel by
clicking on MODELER/WINDOWS/NUMERIC OPTIONS.



This window allows you to make
fine adjustments to whatever tool you are using.
Click on the LATHE button and you'll see
that the heading to the NUMERIC PANEL changes
to reflect the tool that is currently being used.

Zoom out a little so that the
polygon is in the right half of the BACK viewport.

Place your cursor to the left
of your polygon in the BACK viewport and
drag. Before dropping the tool, go over to the NUMERIC panel
and reduce the number of sides to 4.



Drop the tool and see what you've
got..... a picture frame.



Rotate it 45 degrees in the
Y axis and the move the points until you've got
the dimensions that please you. All you have
to do now is create a flat plane inside the frame
to map a wonderful work of art to... like this!



By changing the number of sides,
you can create very many different shapes and
objects. Play with it and don't be afraid to
experiment!

Tony Carretti is
a freelance 3D artist. If you'd like to contact
him, send email to: [Você precisa estar registrado e conectado para ver este link.] or
visit his website at: [Você precisa estar registrado e conectado para ver este link.]
Download
Video File Here
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