YAFSH - Yet Another Filament Spool Holder

The end table that I am using as a home base for my Tevo Tarantula has a unique under-surface - modeled so eloquently in the last photo - that prohibits most clamp-type holders. There just isn't enough room to provide a stable grip. So, drawing on my years of woodworking experience, I fashioned a clip-type clamp - say that three times fast! This clips over the lower rail to hold the unit in place and holds a small, old mailing tube as a spool holder.

I know this is probably a one-off, unique