Extracting STL from DICOM images to generate Brain Arteries geometry

Hi
My project is about computational fluid dynamic modeling of blood flow in an intracranial aneurysms. Can I extract the geometry from CT/Angio DICOM images in STL format in 3D Slicer?
And if the answer is yes, is the process of extracting looks like the other softwares like SimVascular?
Does the 3Dslicer employ machine learning to automatically generate the geometry or not?
Thank you in advance for your responses.

Yes, you can extract the cerebral vessels using plugin vesselness filter and local threshold and export the model in stl.

Thank you for your reply. Do you have any idea how can I find a tutorial related to my project? I have explored the instructions and tutorials, but I have found nothing useful so far.

I send you a private message.