Hou to obtain a cavity in slab to position stair
Not exactly sure what you’re you’re trying to accomplish could you provide a little bit more details.
Still awake 4 hours past my bedtime thanks to restless legs so I can’t guarantee things I say are logical.
My guess would be how to cut an opening in a concrete slab to allow a flight of stairs to access that floor level.
The right click , ‘cut opening’ option that Merv mentioned is NOT available in the default floor that is created when you enclose a space using the wall tool.
You must delete floors automatically created first. Then use the Floor icon from the Building toolbar selecting one of the options, most times I use ‘ by pick points’.
Once you have this ‘smart’ floor inserted, you can select it , right click your mouse and choose, ‘cut opening’.
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