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That is perfectly viable these days in Marlin firmware, there are options for setting this up using the configuration file, e.g.: // :[0, 1, 2, 3, 4, 5, 6, 7, 8] #define EXTRUDERS 1 ... ... ... // A dual extruder that uses a single stepper motor //#define SWITCHING_EXTRUDER #if ENABLED(SWITCHING_EXTRUDER) #define SWITCHING_EXTRUDER_SERVO_NR 0 #define ...


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