I made this tray to make use of the space around my brake disc/vise base. I think I use the tray more than the vise. Needs five segments that hook together. You can scale it to fit other discs proportionally; this is an old Ford Explorer disc.
Depending on your bridging, you may need supports on the connecting pocket. It stays firm when printed close to the hub diameter.
The little tapered cylinder is a lug hole plug.
The author marked this model as their own original creation.