I repurposed an old shelf into a 2-level indoor rabbit hutch : r/DIY
10 Free DIY Rabbit Hutch Plans That Make Raising Bunnies Easy - DIY & Crafts
Amazon.com: AJAAS Indoor Rabbit Cage, Rabbit Cage - DIY pet Playpen, Metal Enclosure with Door for Rabbit, Suitable for Small pet Rabbit Hedgehog Cat (Size : 142x111x39cm) : Pet Supplies
BUILDING THE RABBITS NEW DIY CAGE - YouTube
Coziwow Large DIY Cat Cage Playpen Pet Cage for Rabbit Small Animal Indoor, Black - Walmart.com
Indoor Rabbit Cage Setup for Happy & Healthy Bunnies