I cannot get my 3 year old to stop chewing her bed

So I’m genuinely just lost at the moment. I’ve had my pup for almost 3 years now. Since day 1, I knew she was a chewer. She has loved destroying stuff, from toys to random objects she got a hold of. We kennel trained her early on, and she’s good about being in her kennel. When she was younger, she was in there during the day while we weren’t home, and at night when we couldn’t watch her because she would destroy stuff at night. As she got older, we got her to simmer down at night and were able to leave her out with no issues (except for getting on the couches, which is a separate issue, but it’s whatever at this point.) Fast forward to a couple months ago. She’s been kenneled during the day and free at night now for about a year and a half, and I’ve hated that for a while. We had gotten her a bunch of toys meant to be shredded, but she hadn’t destroyed a single one. We thought good, great, maybe that’s a thing of the past, so we began putting her in the den with her bed and toys. For reference, our den is a big room. We have turned it into an animal room for all the cats and what not, and figured why not have the dog in there since she gets along with all the cats and would have a decent space to be in during the day. She did great for about a month. Nothing god destroyed, including the bed and her toys, and we figured the shredding behavior was gone…until a couple weeks ago when she ripped her bed apart. Over her lifetime with us, this is bed #4. I was quite disappointed with that, so she resumed kennel life for a couple days. We tried again, and she didn’t make it a day, and she shredded the bed again (we have been patching it at this point instead of buying new ones). Rinse and repeat about 2 more times. She shreds nothing but her bed. I’ve looked up tips and tricks but nothing is really working. Is there anything anyone has done to curb such a stubborn behavior? I would love to not have to kennel her during the day again, but she really isn’t leaving me with much choice. I’ve contemplated taking her bed away completely, but I know I’d be miserable sleeping on the floor if I was her. Any advice?