Hook that can be attached using Tesa double-sided tape. It is 2 cm wide which should work for most Tesa double-sided tapes you can buy at the local supermarket.
Public project on onshape: https://cad.onshape.com/documents/8ee570457554402c4dcf7633/w/07f8f162e30872d72989037c/e/079ba51f51f2d4fcacded6a6?renderMode=0&uiState=65badb0e86547737153e0c29
The author marked this model as their own original creation.