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AutoCAD 2015
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The commands will we see are quite advanced.
get all right on your own.
Surfaces
than normal 2D objects, that you can create through the Home section.
the 3D commands in fact do act on surfaces, but not 2D objects
do have a filling. So mind to use surfaces to create 2D objects in three dimentions.
All commands are inside
The simplest surfaces are the planar ones. If you enable
drag on your workspace, you will create a rectangular surface. You can also
create personalized ones. Firstly draw with the
like, and then click on it with
Mind that
This contour and surface are associated: if the polyline is edited, the surface follows.
This strong link is lost whenever you move the surface, that becomes independent.
As you can see, even if you use a 2D Wireframe view, the surface is indicated
through a
surface.
Keep in mind that
together
surface itself. To group all of them, simply select them all, right-click and go to
Group
If you want to know more about the
Then the surface behaves like any 3D object. For example if you use the system,
Presspull, or the Slice command,they work the same.
Such Planar command always
to remove unwanted pieces from the surface, you must use the
Enable it, and first of all select the surface to cut from.
select the line or surface that meets it. When you
you where the first surface selected is being cut from the second object.
You just have to choose which is the part you want to remove.
Mind than
before. If you don't do this, the command won't work properly. So do keep
surface and contour together in Groups.
The
the surface interested, and define the direction using your
Arrow keys
If you want to edit your surface along one of its sides, use the
It is sufficient to select one or more sides and then just drag.
You can also create 3D solids starting from any surface as base. You can use
Extrude
Let's see now how to draw
not lay on a single plane, so you can't use the easier Planar command.
There are two main ways to do so: draw them manually or using the Mesh objects.
When you want to draw manually, you always have to start from a basic
with all its harsh nodes.
Then use
now select the ones that form a planar surface to use the
lines where necessary. You will obtain a
If harsh sides are a problem, you can use the
the surfaces that form the harsh side, and then regulate the
the blue triangle. When all is ok, just accept with
In case you have to do with non-planar surfaces with
the
contour of the edge to cover and then just
In case you want to put two surfaces in common, use the
Select the first surface edges,
Enter
triangle reminds you the kind of curve you put, more harsh or smoother.
Remember to use the
surfaces into just one. Use this one instead of the
way you can always come back editing curves, for example the ones created
with the
The second way to build surfaces is to use
Let's see an example. You can use
However, this is a
You can transform it into a surface applying the
will become a
If you try with a
convert this to a surface exploding it first and using the
The
lost them. Just apply
get the surface again.
You can also use the
possibilities in editing and personalizing it.
You can create Mesh objects with different shapes, all listed inside the
arrow
that you can select singularly clicking on them while
also select every single
The principle of these Mesh Objects is to draw a
and easier. You always start with an object that is not smooth at all. You
can select any
Depending on how you move these, the shape of the Mesh does change.
Faces selected show a red point on them, edges a red rectangle and
vertices a red point.
Select the
the first one to check how the Mesh is going on more in real.
When your 3D personalized Mesh is done, you can convert it to a
a
object will be smooth by default.
The Mesh is a ''surface'' on its own.
can see it composed by
You can also convert an existing object to a Mesh one to edit it better. This
may appear more smooth, but you can always retrieve harsh vertices using
Smooth Less
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