We must purpose an easy thing !
I used just ONE box. [:)]

For a hut with one room ok, but for a house with several levels or an apartment of several rooms it's too complicated.

And I don't speak about a roof or next stage, how do you put it ?
On level 0 or 1 ? [:))] [:))] [:))]

No, no Miker, you must see more far away...

Only the user will make his choice.

[:)]