Thingiverse member MGX had a simple need. He just wanted to be able to sharpen drill bits with no muss or fuss. Due to a lack of competent designs for exactly what he needed, MGX made a simple design and 3D printed a one piece print that does not require supports and screws right into your Dremel or other rotary tool. Check out more information at 3DPrint.com: http://3dprint.com/98215/3d-print-drill-bit-sharpener/