Do you have dimensions for them? Do you have access to a 3d printer?
Seems like an ideal way to manufacture a few, especially if you used a flexible filament. I know I could do it, but without the part, the thing they plug into, or dimensional drawings, it would be near impossible for someone of my skill to get the fit right on the first try. That said, it could be an avenue to pursue if you've got access to a printer and the parts it needs to fit.