Golf tee 70mm / 2.75", no support needed
Based on the dimensions in the image, changed the hole for the ball in such a way you dont need support.
If you like this model, please download and leave a like. i would really appreciate it.
i also have made two other golf tee's:
Asymetrical, horizontal print (my favorite): Golf Tee Excentric set 50 - 70 mm - horizontal print by R.deBrouwer | Download free STL model | Printables.com
bigger head, shorter version: https://www.printables.com/model/913011-golf-tee-no-supports-55mm-218-inch
The author marked this model as their own original creation.