I know you were half joking when you posted this a while ago but I've been thinking about how I could use it as a case trimmer for 300B/O.
So today I built a prototype.
This prototype machined out if acrylic. The idea is to have a sliding cam lock plate that holds the cases snug against the cutout in the bottom plate and a "V" grove in the top plate. The full scale model would be able to cut 50 cases in one pass. I figure I could prep hundreds of cases in about 10min.
http://www.youtube.com/watch?v=wfaroCbKfFk
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That's pretty cool! Looking forward to the finished model