Hello and welcome!
Here is the approach which may help, especially if you have a lot of same objects in your building - Thinnizator - automatic thin instances
(by the way, cannot open your model in any viewer)
Hello and welcome!
Here is the approach which may help, especially if you have a lot of same objects in your building - Thinnizator - automatic thin instances
(by the way, cannot open your model in any viewer)