Hi,
I just started using Sweet Home 3D and first let me say thanks, I love this program.

I did ran into a couple of problems for which I hope someone has some ideas how to solve...

1. I have an opening in a wall which is from the floor but not all the way to the ceiling. Is there a way to model openings in the wall or do I have to simply not put a wall there and then create some furniture which starts at an elevation?
2. Is it possible to group objects and save them as a group (as opposed to multiple select?) I saw that grouping is something which was added in version 2 but I am not sure if it is limited to multiple select.
3. while on the subject of group, is there a way to rotate and scale a group (either in selection or as a saved group if available)?
4. Somehow I managed to create copies of an entire area. Could someone point me as to what are the keys for that (so I'll be more careful) and if there is a way to find out where it happened (other than start moving walls and see if another is beneath them)?
5. I need to make a round wall. I saw in the FAQ that currently it is only possible as a large number of small walls. I was wondering what effect if any would be to simply create a furniture instead of the wall and if there is such a furniture ready where I can download and use it or do I have to create one myself (and if so any suggestion on how to do it without having to learn too much...)
6. Is there a way to set the default texture of walls and furniture (instead of white) or do I have to add them each time?
7. I have many walls in an angle. I saw that it is possible to see and change the angle when creating the wall, is there a way to do it when the wall is already created (other than calculating the angle manually and then setting the position accordingly)?
8. Also with walls in an angle, sometimes windows and doors do not snap to a wall in an angle (even when the magnetism is enabled). Is there a way to manually do it?
9. When I do measurements in my house I measure the inside of the walls but when I create a wall in sweet home I enter the full length (which is from the middle of the adjacent walls). Now if I am on the grid it is easy to calculate, is there an easy way to do it for angled walls also?
10. Is there a way to manually connect/disconnect walls? Currently I can only connect walls when I initially create them and I don't know how to disconnect them later if I need to.
11. Does someone know if there is a model of a sliding door somewhere?
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    Sorry for the long post, I hope someone knows some answers/tips for me.
    Thanks.