# Lofted Boss/Base
Transitioning between two or more profiles generates solid features.
Click on the toolbar to open the Scan Boss/Base command dialog box, the interface of which is shown in the following figure.

1.Sketch outline:Closed sketch outline, can be selected.
Note:
Can only be a sketch outline with an enclosed area.
Start Constraint: None、Vertical To Sektch、Direction Vector.
Termination Constraint: None、Vertical To Sektch、Direction Vector.
Note:
Under the loft preview effect, each profile will have a control punctuation point, and the lofting effect is adjusted by adjusting the control punctuation point.
Guide line: Through the guide line control lofting external outline, you can choose sketch line, edge line or curve, support multiple selection.
Merge results: Check this option when the scanning body is merged with its intersecting body.
Example: Lofting outline for two circular sketches, unguided line and guided line preview effect as shown in the figure below.

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