slab foundation next to crawl space

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I'm creating a new model of our single story house.


The house has an attached garage with a slab floor adjacent to the remainder of the house that is on a crawl space.  There is, of course, a shared wall between the interior of the house and the garage.  I assume there's a footing under slab around the garage perimeter.


The floor of the garage is 2 feet lower than the finished floor of the house, therefore, the top of the wall shared between the garage and the interior of the house is 10' high in the garage and 8' high inside the house.


In other words, as far as house plans go, very typical, very simple.


Despite this ubiquitous layout, I don't see how to express this in Home Designer Architectural 2018.


Starting with an empty plan, can anybody provide me the exact steps to model this slab-next-to-crawl foundation ?



Screen Shot 2019-09-15 at 11.31.17 AM.png

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I see you said Architectural 2018.


You can help everyone by adding that info to your signature (see below for how to turn them on) by clicking on your user name at the top right of the page, click Account Settings, then Signature on the left.


Doing so makes it always available, and keeps others from having to hunt for it.


And, turn on signature display too.






Resources for self help:


The built in Help System (always a good place to start)




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Hello Eric,


If you even know the rough steps to approach this problem, please advise.  That could be a big help.


I've spent hours messing with layering and building foundations and looking at documentation / videos and cannot get the slab-next-to-crawl floor heights and foundation to look right when viewed with a 3D perspective camera.



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