@JustOneMoreThing
Long-time #HouseRabbit owner here. You can keep them out of some places without going "gah that's hideous". We have a living room set that's open underneath, i.e. up on legs, and we wanted to keep the #rabbits from eating the liner and getting up into them. I built nice little wood frames that fit just inside the legs, stained them to match, and set the sofa/loveseat on them - problem solved.
But for other stuff, it's visible ferret wire / hardware cloth.
1/2
@JustOneMoreThing
They're #smart, they're #stubborn and #persistent, and their teeth and claws can get through almost anything else - the hardware cloth I have is a 1/4" steel wire mesh made of (I think) 19- or 20-gauge steel wire. They can get through anything flimsier than that. So it blocks off parts of the rooms we don't want them in (wires, speakers, etc) and you learn to live with The Rabbit Owner House Look.
Don't get too attached to soft furnishings and carpets either
2/2