Loft Overview
Loft creates a feature by making transitions between profiles. A loft can be a base, boss, cut, or surface. You create a loft using two or more profiles. Only the first, last, or first and last profiles can be points. All sketch entities, including guide curves and profiles, can be contained in a single 3D sketch.
For a solid loft, the first and last profiles must be model faces or faces created by split lines, planar profiles, or surfaces.
To create lofts:
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Do one of the following:
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Click Lofted Boss/Base 
on the Features toolbar, or click Insert, Boss/Base, Loft.
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Click Lofted Cut 
on the Features toolbar, or click Insert, Cut, Loft.
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Click Lofted Surface 
on the Surfaces toolbar, or click Insert, Surface, Loft.
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Set the options in the PropertyManager.
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Manipulate the loft these ways:
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Synchronize loft profiles.
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Drag 3D sketch geometry to change the feature's shape when you create or edit a loft.
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Add, position, and edit new loft sections.
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Create a loft to a point, even if the point is part of a sketch containing other sketch entities. 
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View the loft using zebra stripes as you create it.
Place the pointer on the loft, open the shortcut menu, and select Zebra stripes preview. When you create another sweep, loft, or add a loft section, the zebra stripes display. Use the shortcut menu to clear Zebra stripes preview.
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View the loft using a mesh preview
.
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Right-click and toggle between a Transparent Preview
and an Opaque Preview of the loft.
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Click OK 
.