ti metto i miei
#define DEFAULT_MAX_FEEDRATE { 400, 400, 2, 25 }
/**
* Default Max Acceleration (change/s) change = mm/s
* (Maximum start speed for accelerated moves)
* Override with M201
* X, Y, Z, E0 [, E1[, E2[, E3[, E4]]]]
*/
#define DEFAULT_MAX_ACCELERATION { 1000, 1000, 40, 800 }
/**
* Default Acceleration (change/s) change = mm/s
* Override with M204
*/
#define DEFAULT_ACCELERATION 800 // X, Y, Z and E acceleration for printing moves
#define DEFAULT_RETRACT_ACCELERATION 2000 // E acceleration for retracts
#define DEFAULT_TRAVEL_ACCELERATION 2500 // X, Y, Z acceleration for travel (non printing) moves