Trimming Body of Shell

by Judit Boros and GRAPHISOFT · updated: 10.13.2011 · RefID: 32654

This article will try help you to understand the usage of the Shell Trimming Body.

  • create a spline

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  • choose Extruded Geometry Method and with Magic Wand create a Shell

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  • rotate the Shell with Free Rotate option

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  • place a Wall and see the Design/Connect/Trimming bodies

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As you can see by this complicated situation the Downward Extrusion as Trimming Body does not look as you would accept it.

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The Upward Extrusion has no problem in this case as the shape of the Shell is very simple

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The Editable option will connect the two endpoint of the profile.

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If you go to Elevation you can edit the connecting line between the two endpoint with the Insert New Node command from the Pet Palette the following way:
It is easy to adjust the trimming body to produce the desired shape.

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If you are using the Design/Connect/Trim Elements to Roof/Shell command now you will get the desired result.

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