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How to make polygons on spline?

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I have a spline, when I am extruding - it's ok, but without top and bottom  polygons.

And Bridge tool is deactivated.


What is the solution?


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  • 14 minutes ago, Igor said:

    You probably need to jump to an Attribute Manager and check the Tab where the caps setting are.




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    Your spline object is bunch of spline segments. Need to optimize at the first. Weld spline segments, enable "Close spline" option.(if you have it enabled now, extruded result will be messy, because all spline segments will be closed).

    If you don´t optimize spline, extruded result will not be connected, you´ll get same count of disconnected surfaces as spline segments...

    As you see on your spline, there is a lot of gradients between points from white to blue. Every gradient means separated segment. When you repair your spline, you create just single segment and you´ ll see just single gradient on whole spline. (you can check it like it looks like on simple rectangle spline converted to editable)


    On repaired spline apply extrude with zero extrusion value and enabled only start cap (disable end cap). When you convert object to polygons, you´ll get just "start cap" polygonal object...

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