The link in the Beats Solo 3 head set headband/arc broke. I ordered a spare part from China, but it's going to be long wait before it arrives. This is why I designed this clip that support the joint such that the headset is fully functional.
You may need to split the "mouth of the clip" open after printing
After printing, you may need to split the "mouth of the clip" open. This was the case in my print, but the two edges came apart in a snap. No big deal, hence I did not tune the design.
Fusion 360 (My first project with this CAD.)