Quick fix for RJ45 plugs whose little clip broke off.
Because there are so many variations of RJ45 plugs and every one needs a different version of this model, I uploaded a .STEP file and an editable Fusion 360 file where all the parameters can be changed to fit your case.
Load in Fusion 360 and hit CTRL+p
Attribution: Remixed from kohlmaker's “RJ45 Ethernet Cable Clip Repair” model on Thingiverse.
The author hasn't provided the model origin yet.