Great tool and also quite easy to use.

I've actually used it to simulate/chose my furniture and furniture placement quite recently.

Here the result using the ray tracing renderer:

https://mirror.kakwalab.ovh/misc/Sejour_5.png

https://mirror.kakwalab.ovh/misc/Chambre_3.png

Yes, that's mostly Ikea furniture. And consequently the 3D models are likely to exists and can be grabbed from 3dwarehouse/sketchup.