im new to this, but i saw on ebay 25lbs of hot melt glue for around 80 bucks, could you not just take a hot glue gun, reduce the nozzle size, and add a wades extruder with a big hobbed gear to it, and use it as a seperate extruder for support material. then to remove the hot meld glue i think you could just stick it in the freezer and snap it off, and if you lower the temperature of the nozzle, tby aduy - Plastic Extruder Working Group
i accidentally ordered motors with 4mm shafts instead of 5mm so i made a better truly symetrical coupler in autocad. obviously its a 4mm to 8mm but it would be very simple to modify it to any other size coupler needed. tell me what you guys think. i have attached the stl and autocad files, so that you can view and modify them to your liking.by aduy - Reprappers