A slightly improved version of a greatly improved means for terminating the extruder control umbilical. I took GeraldO's http://www.thingiverse.com/thing:21570 and added an undercut to the hooky portion, as he'd suggested, permitting the wires to escape more readily. I also added some fillets, just for fun.To improve printing with the undercut up, I chamfered the counterbored hole's bottom.Print with 0 extra shells to improve filling in the tight areas. I like doing little things like this at 100% fill, since the print time is still insignificant, but it probably doesn't need the strength.I'm still working out some print quality issues; please excuse the somewhat ratty-looking part in the images. It works.Follow GeraldO's fine instructions for installation at http://www.thingiverse.com/thing:21570 Don't forget to marvel!