u/40711801-74013120

im new to rihno and our Prof doesn't really explains anything or uploads tutorials. He expects, that everybody is done with the project at the end of the Semester. I have 2 questions. How do I trim a Pitched roof, with my walls or is it easier to do with polygon mesh.

Second question is how do I
How do I round off walls? I want to shape a house wall into an oval to install a glass wall.

sorry for the nooby questions