Wanted a bit driver for my Leatherman bits, did it in the style of Stanley handles. This prints really well and is reasonably strong. I did 4 walls, and 0.28 layer height in the picture. You can do full infill or whatever if you want to.

On my A1 it printed perfectly and bit bit holds with decent retention, however you may find that less calibrated printers with elephant foot may need a bit of scraping to get it good to go. Print without brim or supports.