Shells – Using composite structures for shells

ArchiCAD 15 New Features – Shells
Using composite structures for shells

When a Shell is created, the program first internally generates a so-called membrane based on its defining components. These are the Extrusion Vector and the Profile Polygon in case of Extruded Shells… Revolution Axis and Profile Polygon in case of Revolved Shells… and two Profile Polygons in case of Ruled Shells.

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Ruled Shells

A Ruled Shell requires two separate profiles in any two planes. Each of the two profiles, like line-type elements, consists of segments and intermittent nodes. To create a ruled Shell, ArchiCAD will draw connecting lines between the respective segments…

Revolved Shells

Use the revolved method to create a Shell by defining its profile (either a default shape or a freehand profile), then revolving the profile around an axis. By default, the surface of Revolved Shells is smooth. You have the option of dividing it into…

Extruded Shells

Use the extruded method to create a Shell by drawing its profile on a plane (either freehand polygon or a default shape), then extruding the profile. For example, you can extrude a Shell over the walls of a building. See the following sections for basic…


About Shells Extruded Shells Revolved Shells Ruled Shells Sample Workflows for Shell Creation Graphical Editing of Shells Create Hole in Shell Edit Shell Hole Define Shell Contour Customize Edge of Shell or Edge of Shell Hole Trim Elements to Roof or…

Composite Structures

Walls, Slabs, Roofs and Shells can be defined as composite structures. Assign a Composite Structure to a Wall, Slab, Roof or Shell 1. Open the Element Settings dialog box for the element type. 2. In the Geometry and Positioning Panel, define the…