thingiverse
Hook for hanging your backpack, its quite stable with 50% infill, less might be also fine if you dont have heavy things inside your backpack.
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This STL file is compatible with most FDM 3D printers (Creality Ender 3, Prusa MK3S+, Bambu Lab, etc.) and resin printers (Elegoo, Anycubic). Check the original page for recommended print settings and materials.
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