Filament Rack Extender

This is a Extender i created to be able to fit boxes of filament in a mainstay shoe rack that i bought from Walmart.Throw me a boost if you like it! This is a link for it, it can hold 15 boxes of filament and it is also Stackable and modularized.https://www.walmart.com/ip/Mainstays-4-Tier-Shoe-Rack-Black-and-Silver-8-Pairs-of-Shoes-Metal-Tubes-Plastic-Connectors/5167962089?classType=REGULAR&athbdg=L1200&from=/search