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Smart Multi Filament Feeder featuring Bondtech Gears Build Instructions 2 Table of contents Tools needed for assembly........................................................................................................6 Tools needed for the electronics assembly ..................................................................................8 Slicing Parameters...................................................................................................................9 Slicing Parts with Supports..................................................................................................... 10 Printing in multiple Colours.................................................................................................... 20 Assembling the Base-Left component....................................................................................... 22 Assembling the Base-Right component..................................................................................... 33 Assembling the Servo-Carrier component.................................................................................. 37 Assembling the Servo-Mount-Left component............................................................................ 44 Assembling the Servo-Mount-Right component.......................................................................... 50
© Copyright 2021-2022 by Technik Gegg 3 Assembling the Selector-Sensor component..........................................................................55 Assembling the Filament-Guide component ..........................................................................57 Assembling the Selector component ....................................................................................66 Assembling the Inlet-Guide component................................................................................76 Assembling the NeoPixel component ...................................................................................79 Assembling the Top part ....................................................................................................82 Adjusting the Transmission Rod ..........................................................................................87 Assembling the Base part...................................................................................................93 Mounting the Selector .......................................................................................................98 Mounting the Inlet-Guide ................................................................................................100 Assembling the Top and Base parts ...................................................................................103 Splitter Version...............................................................................................................107 Cable management..........................................................................................................108
Smart Multi Filament Feeder featuring Bondtech Gears Build Instructions 4 Cable management Selector.................................................................................................. 109 Cable management Selector sensor ........................................................................................ 110 Cable management Selector stepper motor.............................................................................. 111 Cable management Feeder stepper motor................................................................................ 112 Cable management NeoPixels................................................................................................ 113 Cable management Servo...................................................................................................... 114 Assembling the Electronics Housing (Slim) ............................................................................. 115 Assembling the Electronics Housing (Tall) .............................................................................. 126 Assembling the Electronics Housing Lid ................................................................................. 129 Making the Servo-Adapter .................................................................................................... 132 Making the Serial-3 Adapter ................................................................................................. 137 Wiring up the Controller Board.............................................................................................. 142 Compiling & Flashing the Firmware ........................................................................................ 149
© Copyright 2021-2022 by Technik Gegg 5 Contents of the Main Screen.............................................................................................153 Configuring the SMuFF.....................................................................................................155 Debugging the SMuFF ......................................................................................................160 Testing your SMuFF .........................................................................................................163 Stepper Motor Driver & Configuration ................................................................................167 Interfacing with your Printer............................................................................................170 Asking for Support ..........................................................................................................175 Is there more to it?.........................................................................................................176 Document History ...........................................................................................................177