Before you put the two pieces of the rail together, you need to use the lower smaller rail piece as a template – the lower half of the rail will fit snug against the base of the table.
Tips: If your saw blade is long enough and strong enough, you’ll want to clamp them together and cut both at the same time.
Even though this photo shows a compass, don’t use one for this piece. Use the inside of the smaller of the two rails as a template. Trace around it. You want to copy the imperfections onto this peice of hardwood so your rail will fit snug