Issue open creating 3D model ?

[KillianPremel]

Hi everyone,

First of all thank you for the notebook it is really interesting. I try to understand all the notebook "point-cloud-processing-static.ipynb", but it doesn't work on the creation of 3D model if I take another building, or several buildings.
For example :

It gives me something like that :

I'm sure I have to change the Build 3D model in rotated coordinates and Plot 3D model parts, but for now it doesn't work.