HDX Shelf Cap Hole Plug

These shelf hole plug caps are for the Home Depot brand HDX plastic shelves seen here:

https://www.homedepot.com/p/HDX-18-in-x-36-in-x-74-in-Black-and-Yellow-Plastic-Ventilated-5-Tier-Garage-Shelving-Unit-241592/306331734

For shelf feet, I recommend using https://www.thingiverse.com/thing:4106726