FURNITURE DIY METAL STORAGE RACK/SHELVING BOOK SHELF KITCHEN/OFFICE DISPLAY UNIT | eBay
DIY Shelving Unit: 2 Ways - A Beautiful Mess
DIY Wall-Mounted Shelving
Easy upcycled shelving unit
Spent my new year building this shelving unit. 20 dowels holding it together. Might need backing, or gussets to minimize wobble (made to be disassembled) : r/woodworking