Nozzle development has started with a basic CAD design which will be 3D-printed and positioned into the nozzle to create a mold around which Rockite concrete will be poured-in. This is a basic approach to creating cheap nozzles and I am interested in seeing what this could lead to in terms of performance gains. The basic outline for the nozzle was insipired by Richard Nakka’s “Kappa” Nozzle. The dimensions are very rough currently and the first design has not been tested yet, but hopefully with future revisions a cheap and efficient nozzle can be created without using lathes and graphite blocks. Note: a full instruction post will be put out that will go into detail about the design choices and materials needed to make such a nozzle.