Nerf Pull-Tab

It is a mini-nerf handgun which I used to pull the pull-tab to reload the bullet. When I pull the trigger, the pull-tab is released and go back to the original position. However, because of an accident, the pull-tab is broken which I am unable to pull the pull-tab to reload the gun. Therefore, I have to 3D print a ring-pull in order to fix the broken nerf gun.

The part can be modeled because the edge of the broken part is plain which can be glued with superglue. When the super glue is dry, t