Modernize your vintage steering wheel. 17" pencil-thin to 14.5" 1" thick.
First, make a hoop. I took a length of 1" tubing and bent it around the drop center of an old Cavalier wheel (perfect diameter to get 14.5"):
Cut where they overlap with a cutting disc on your angle grinder:
Clamp in a vice and weld together:
Cut and shape to fit:
Tack in place (I used a stack of metal to get the right height, and square):
Fill the voids (I used JB Weld's Plastic Putty, and I also chased and filled the age-cracks):
Start mixing primer: