2005 Ward and I built the N2-3000. It was a tilt head version that for the most part worked quite nicely. It could be mounted on a portable cart or on a permanent counter. Each machine ran off it's own liquid nitrogen dewar and could make a custom ice cream, gelato, frozen yogurt or sorbet in about 60 seconds based on your desires.
Each machine is made by hand. We get the metal, and cut, bend, weld, grind, drill, re-cut, re-weld, re-drill, get a band aid, sand, polish, plate, assemble, and test.
Here are a couple of pictures.
The 2nd picture shows my son Rosten running the machine with his broken arm.