Spool Holder Rail Mounted

Our 3D printed filament spool holder is a must-have for any 3D printer owner. It's rail mounted and requires no screws, simply slide it in and you're ready to go. We made it specifically for the Two Trees Bluer 3D printer, but it may work for other models as well since it is an Ender 3 clone. In our opinion, the best orientation to print is the one shown in the pictures, but it does require supports. This spool holder was made as a second spool holder for easy filament changes needed in two fila