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aran115 posted on r/coolcollections21w
https://www.walmart.com/ip/Mainstays-5-Shelf-Bookcase-with-Adjustable-Shelves-White/3403152228 This is a link to the exact bookshelves I have in the picture. Nothing fancy, just a couple of cheap build-it-yourself bookshelves from Walmart that I moved into the corner and lined up the edges.