Spool Holder Locking Clamp

This is a spool holder locking clamp for M8 threaded rod. I use threaded rod as the spool holder axle. The clamp keeps the bearing in place (see my double bearing spool holder https://www.thingiverse.com/thing:2468356). The problem with the original clamp, even though it's threaded, is that it would sometimes loosen. This new clamp is not only threaded, but it also incorporates a small lever clamp that will squeeze the threaded rod. Note that the threads are clipped to make it easier to slide along the rod (there’s only a hint of thread.) Hopefully this will perform better than the original.

I printed this with 0.2mm layer height, 80% fill, support everywhere.

You should probably print a few extra linkage pieces, they will break after a while.

There’s not a whole lot of cleanup. I carefully ran a 2.5mm bit through each of the pivot point pockets. (Carefully means- don't let the bit walk out of the pocket.) The linkage bar ends that touch the bed need to have the fl