Wire shelf hanger hook
thingiverse
This simple little clip-in device lets you hang clothes or other items flat against wire shelves, instead of having to twist them a bit to hook the hanger into the shelf itself. There are two STL files, one for wide-spaced (about an inch) wire shelving, the other for narrow-spaced (about half an inch) shelving. I printed at 20% infill with PLA but pretty much anything will work. Note: the spacing between top and bottom wires is not precise; you may have to scale the height (the Y dimension in the STLs) in your slicer by a few percent for a snug fit. This is only needed if you have trouble installing it (change Y scale to 99% or so) or if it falls out when you remove the hanger (change Y scale to 101% or so). Or, of course, scale the whole model :-)
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