I've never used a sewing machine, but darn it! I wanted to make my own cage liners! All-in-all, about 13 hours. They're not the greatest masterpieces, but dang it I'm proud and wanted to brag.
I got instructions from here: https://pethelpful.com/rodents/Reusable-Guinea-Pig-Cage-Liner-Sewing-Tutorial
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