Alright, I remember being able to do this before in Sims 4, but for some reason, it isn't working now. Consider the following... This is the third floor in a three-floor sample building. The balcon...
I can do this, but it is very, very glitchy... It is the same trick as with the roof clippin... i will see later today if I can fine-tune it with stairs and fences so it is not so glitchy. https://forums.thesims.com/en_US/discussion/comment/17798848/#Comment_17798848