Making a DIY cardboard cat house can be a fun and rewarding project for pet owners. With simple materials like cardboard boxes, you can craft a cozy and creative space for your cat to enjoy. Not only is this an affordable way to provide enrichment for your furry friend, but it also allows you to personalize the design to suit your cat's preferences and your home's decor. Discover 20 unique DIY cardboard cat house ideas to keep your cat entertained and cozy! In this guide, we'll walk you…