Prusa Modular Mk3 Volcano Extruder - Cyclops Extruder

A while ago I designed a Mk3 style modular extruder to adapt to standard Prusa frame, I've since made a full set of extruders and am happily swapping them between my Prusa's to allow for easy nozzle size changing. I've also designed a cyclops bondtech extruder which fits the back plate, although I was never very happy with the performance of the hotend. I print primarily in PETG and continually got back pressure issues which caused jams, it might be fine if you're just printing PLA. I'm super