In our first Houdini lesson, we learned modelling in Houdini and how is very different than modelling in Maya. The software is node-based, so the modelling process goes through the node graph. In order to apply any function like extrusion or boolean, a node needs to be placed. The advantage is that you can change any part of the process easily.
The cabin below is the one explained during class.
After finishing the class, I did a more complex cabin.