Placing Holes in Slabs

You may need to make holes in Slabs to accommodate objects such as staircases, or for an open atrium space.

1.Select the existing Slab.

https://helpcenter.graphisoft.com/wp-content/uploads/archicad-23-reference-guide/040_elementsvb/SelectSlab.png 

First Select the Existing Slab

2.With the Slab tool active, draw a new contour within the Slab’s boundaries.

https://helpcenter.graphisoft.com/wp-content/uploads/archicad-23-reference-guide/040_elementsvb/SlabDrawHole.png 

3.This new contour will be interpreted as a hole in the Slab.

https://helpcenter.graphisoft.com/wp-content/uploads/archicad-23-reference-guide/040_elementsvb/3DSlabwithHole.png 

See also Selecting Slab Hole.

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