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Barrel Vault shows segmented

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To model a barrel vault,

I went to front view,

drew an arc,

offset and closed open curves



What i got was a segmented barrel vault...... What settings do I need to show it as a smooth arc in section (hidden line) and interior renderings?



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Go back to the original arcs and check your 2D and 3D conversion resolution in Vectorworks Preferences. Set to Very High you will end up with 256 segments that should be smooth enough for most uses.


If you need it to be even smoother try using a NURBS Curve and Lofting instead of extruding.

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You could also build this as a sweep and that would let you adjust the segment angle, so you can control the "resolution" of the arc. Lower number = smoother curve. 

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