With a lttle personal printer or a big commercial printer
On the first shot of the hole you rest the ball on a tee because it makes the balls easier to hit especially with a driver.
1337m
Yes, they are an accessory.
The only place a tee can be used is on the designated teeing ground of each hole. This area is defined by the two tee markers. You can not use a tee anywhere else on the hole.
3.5mm