Earphone Cable Shortening Clips

My new RHA T20i earphones have a cable that was a bit long to be convenient during my daily commute. I knocked up this quick design for a looping cable shortener that would fit the ~3mm main cable section. With 3 of the clips printed I was able to shorten the cable by almost 60cm very tidily.

Note: Remember to leave a comfortable loop at the end of each shortening turn - you might damage your cable if you make the loops tighter than the bend radius of the wire.

I've included the OpenSCAD