I reluctantly decided to go for a bowden blower a while ago since I wanted to reduce length. Later, I thought that I could now implement to vacuum for the Spindle, and now I've realised that I could use it as a pathway to send 2.85mm filament down to a modified Slight extruder tool, but more importantly, to move pellets.

It's probably simpler to have some kind of pellet feeder on the Tool Bar, now that I think about it, but the idea was to have a dual tool wide pellet extrusion tool and have 1 bowden blowing cool air to the part and the other blowing pellets. 

Yeah it's probably better to just have a pellet refueler on the Tool Bar, high extruder costs and low availability (if purchaser is not a company) nonwithstanding. I did find this awesome pellet extruder that shockingly retracts so well, it sucks filament back INTO the nozzle! I didn't think pellet extruders would somehow get better retract performance than filament ones.