Love this thing. I made my links with -0.1mm horizontal expansion which is a little bit loose, but also lets them rotate very fluidly.
I originally printed the bracket with cutout. After I installed some dampers, I decided to keep it because the extra space next to the wires gives a lot more flexibility with assembly and wire management.
3D Solutech PLA
I used supports on the brackets. It's not needed on the links if they are oriented correctly.