So I'm still trying to figure out how to make my inclined walls. But here an update:

Front:

In case the image broke:https://sta.sh/0u1hfcz1qdt

Back:

In case the image broke: https://sta.sh/01tjvnb1di49

I'm not 100% happy with this, but it looks better. I'm having a hard time figuring how to my inclined walls look nice...