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Cone Hub for SPANNERHANDS Spool System

by mmdoogie Jul 24, 2017
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I built one of these things and it's great. But I've decided I don't especially like the Spannerhands box and would like to adapt this hub a little bit for a different kind of box. Any chance you might be willing to post source CAD?

Sure, no problem! I did it in Fusion 360. Files have been uploaded. Would you please post your current one as an "I Made One"? If you eventually get it working well with another box, I'd love to see it!

Horizontal spool holder parts
by zbrozek

Thanks for getting this up! I've actually already designed (from whole cloth) something a little bit different. I'll post it when I'm back home and have access to the files again, but I'll post it as a remix of this design.

Major changes are:

  • Captured full-size nut rather than a pair of glued-in jam nuts. This doesn't over-constrain the threads of the rod, making it easier to turn.
  • Four "wings" instead of three, and the wings are constant-thickness rather than pie wedges.

I already posted a slightly different captured bearing:

Captured (blind) bearing holder
by zbrozek