I've been playing with the GR plugin lately (4.0) and I'm very impressed! Up until now I managed to create pretty complex roofs using the bnl-* roof parts but this plugin makes it a lot easier and results in a single object. I now have more problems with creating the right size room(s) than generating the roof itself
Two little glitches which should be easy to fix:
1. When changing the selected roof the elevation is lost. The elevation can be reset after the roof is generated but you have to remember what it previously was.
2. The thickness is reset to the default instead of preserving the thickness you had set. This is a little trickier because it's too easy to forget to reset it to the thickness is was before.
Than a little trick I tried for those who want a different underside for the room part and the part that sticks outside the wall (overhang): Create a second, thin roof for just the room part and elevate it just under the main roof. That way you can set the underside texture/color for the room to a different one than you want for the outside overhang.
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