I try to be mindful about it being sturdy IRL, but I guess it depends on how heavy it ends up being and how sturdy Lego is, which I'm not sure about, I haven't built with Lego since childhood.
Maybe a great builder could figure it out how to motorize it, but I wouldn't have a clue.
Yes, the legs are too wide, here's a render of the leg
I couldn't figure out a way to use technic turntables in the joints while making the legs narrower unfortunetly.