Plastic Clip
thingiverse
This is a clip I designed to clip on and sit on the edge of a storage cube used as a litter box. The clip then can hold some sort of flexible plastic like a PE plastic sheet, like the plastic I used seen in this link: https://www.amazon.com/Flexible-Translucent-Plastic-Stencil-Pattern/dp/B07HLTWLNF/ref=sr_1_15?crid=1CAVIFB49KX33&keywords=flexible+plastic&qid=1656980264&sprefix=flexible+plasti%2Caps%2C177&sr=8-15 the clip allows you to use the plastic sheet to extend the sides for a litter box or storage box or whatever.
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