3D Drawing with AutoCAD - Section 8

38.1.4 Solevation

Again, this is the same definition as in the case of solids. That is, we now create a surface using as a guide different profiles that serve as cross-sections. The difference is that we can now also use open profiles. At the end we can apply some options, such as opening the parameters dialog to modify the type of continuity to the curves, among other values.

38.1.5 Revolution

We create a surface of revolution by rotating a profile with respect to an axis, which can be two points on screen or an object whose initial and final points define the profile. In turn, the spin can be total, 360 degrees, or partial.

38.1.6 Network Surfaces

The grid surfaces are similar to those of a loft, except that in this case, profiles must be defined in two directions perpendicular or semiperpendicular to one another, such as X and Y, although here they are defined as U-sense and V-sense. The advantage that they can define the shape of the surface in two directions using open profiles.

38.1.7 Fusion

It creates a surface that joins two surfaces or a surface and a solid. To do this you have to indicate the specific edges of the objects to be merged that determine the shape of the new surface. At the end you can indicate the degree of continuity and curvature you will have.

38.1.8 Patch

If we say it colloquially, just like its name, we would say that Patch creates a surface that serves to close holes in other surfaces. Obviously we have to say that its formal definition is that it creates a surface using a closed edge of another surface (which, again colloquially, is easier to understand if we say it is the edge of the hole). Thus, its shape is determined by the closed edge that constitutes it, however, like other cases, at the end of the command we can modify its parameters of curvature. We can also use lines to guide its final shape.

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