Creating a Revolved Rail Surface
The Revolve with Rail menu command is an easy way to create a
tent-like structure. It is often an alternate method of creating
complex NURBS surfaces than using the Loft Surface tool.
To create a tent-like structure using the Revolve with Rail menu command, first create a NURBS Curve object.
This object will represent the shape of the structures base.
Switch to a view perpendicular of the base object. For example, if the
base object was drawn in Top or Top Plan view, switch to Right, Left,
Front, or Rear view. Draw an object representing the axis. This axis
will specify the point at which the profile object will rotate about.
Next, create the profile object. The profile object will represent the
shape of the NURBS surface.
Convert both of these objects, the rail and profile, to a
NURBS curve. Select all three objects, the NURBS Curve, axis, and
profile. Go to Model>Revolve with Rail.
Click on the Rail object first, then the profile object, and finally the base shape object. The end shape is a NURBS Surface.
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