I designed this wall hooks especially for shopping bags. If You use the version for double sided tape, be sure, to use a very good tape, otherwise please use the version for mounting with a 4mm countersunk screw.
UPDATE: Sorry, I uploaded the same STL twice, uploaded the correct file now.
Wall_Hook_Screw_Fixed.stl | 34.8KB | |
Wall_Hook_Tape_Fixed.stl | 28.8KB |