Special size worktops and extraction hood question

Thank you very much for the tips here.

Yes, I have also learned about the hood. I looked at Siemens and co, and they at least provide the heights of their appliances and the height of the exhaust, so I am now dealing with closing the hole and making a new one. Since we have a prefabricated house, that should not be a problem. (kein Haus mit geregelter Lüftung)
I usually come to a height of 1.96 to 2.11 meters.
Even quite flat hoods do not fit into my existing hole. Since the house is going to be painted anyway, the timing is right.

Sealing the hole and making a new one is not quite cheap. Or do you have "Holzwände" (=prefabricated house). Then it is simple.

If you have "Fertig-Steinwände," then it is not so easy because you need core drilling with special drill and tools.

Is a prefabricated house Just wood and plaster aside and pipe through. Of course, must make sure not to hit the main beam

Is a prefab house just wood and plaster aside and pipe through. Of course, I have to make sure that I don’t hit the main beam

@Ikeaner
Could you happen to have calculated something regarding the countertop? Are there rounded edges?

Not yet, too much to do. But I don't forget it!

In the simplest version 69.- per running meter plus edges plus cutting. Rounding is also possible, but only 5 degrees and only with special edges.