Carpet Grip Anchors
thingiverse
These stopped my subwoofer box from sliding around in the back of my truck. Print and stick them to the underside of the object using a double-sided adhesive tape. They allow movement in one direction only. Using opposed strips will keep the object from sliding on the carpeting, yet not damage the carpeting and allow easy removal. The strip is sized for 1 inch (26 mm) wide double-sided tape.
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