Found today at goodwill, 3 Teac 117 slot cassette storage cases, I've never seen anything like them before so I had to have them! And my k2000 looks so perfect on top :
Vintage Modular Series Faux Wood Audio Cassette Storage Drawer Cabinet Holder 42 Tapes: Buy Online at Best Price in UAE - Amazon.ae
Cassette Drawer Rack offers storage space for long steel profiles
The Next Record Store - Need some cassette storage? We've got a nice supply of cassette drawers in excellent condition! $10 each or FREE if you buy $10 worth of cassettes!! | Facebook
Audio Media Drawer Units for sale | eBay
Audio Media Drawer Units for sale | eBay
Cassette storage using Ikea Kallax drawer inserts : r/cassetteculture