Fix for Marley headphone

The conjunction piece that links the headset to the speaker came off and I lost a bunch of parts. I design this replacement part in order to be able to fix the whole thing whit a 30mm M3 screw and a 20mmx2mm nail. Parts have to be assembled as shown in the figure. It is pretty basic anyway. The head of the nail and the screw will have to stay on the inside of the speaker while in each slot you will need to had a nut. I added some glue and a piece of tape on the inside just to secure the head of the nail. I printed the whole thing in PLA