Universal Horizontal Spooler (Blunt & Beefy)

This is a remix of the excellent *Universal Horizontal Spooler*, which is the only thing I found that works for my 1kg spools on the printm3d M3D Mini. You can find it here, with assembly instructions: http://www.thingiverse.com/thing:1027730

Like an idiot, I broke my spooler by pushing too hard on it, trying to seat a new filament spool. (The real problem is my m3d doesn't print true circles.) While I was looking at just gluing it back together, I decided to modify the design a bit and print