okay, hear me out... Adding a hole for screwdriver not only genius comfortsude, BUT ALSO IT IS BEST WAY TO FIX an issue with external spool when they got tangle due movement of head from top to bottom position, JUST plug ptfe tube into that hole and not only you can HANDLE the printer but aldo HANDLE tangling issue!
10/10 need to print
2 rabbits with one buckshot