diff --git a/P1S/change_filament_noAMS_P1S_0.4nozzle_v1.9.5.gcode b/P1S/change_filament_noAMS_P1S_0.4nozzle_v1.9.5.gcode
new file mode 100644
index 0000000..1a52393
--- /dev/null
+++ b/P1S/change_filament_noAMS_P1S_0.4nozzle_v1.9.5.gcode
@@ -0,0 +1,221 @@
+;===== machine: P1S ========================
+; modified gcode from Bambu Studio v1.9.7.52
+
+M204 S9000
+{if toolchange_count > 1}
+{if toolchange_count > 1 && (z_hop_types[current_extruder] == 0 || z_hop_types[current_extruder] == 3)}
+G17
+G2 Z{z_after_toolchange + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift
+{endif}
+G1 Z{max_layer_z + 3.0} F1200
+
+G1 X70 F21000
+G1 Y245
+G1 Y265 F3000
+M400
+M106 P1 S0
+M106 P2 S0
+
+{if old_filament_temp > 142 && next_extruder < 255}
+M104 S[old_filament_temp]
+{endif}
+{if long_retractions_when_cut[previous_extruder]}
+M620.11 S1 I[previous_extruder] E-{retraction_distances_when_cut[previous_extruder]} F{old_filament_e_feedrate}
+{else}
+M620.11 S0
+{endif}
+M400
+G1 X90 F3000
+G1 Y255 F4000
+G1 X100 F5000
+G1 X120 F15000
+G1 X20 Y50 F21000
+G1 Y-3
+
+; always use highest temperature to flush
+M400
+{if filament_type[next_extruder] == "PETG"}
+M109 S260
+{elsif filament_type[next_extruder] == "PVA"}
+M109 S210
+{else}
+M109 S[nozzle_temperature_range_high]
+{endif}
+
+; cut filament
+G1 X5 F300
+G1 X20 F12000
+
+; move to poop chute
+G1 X70 F12000
+G1 Y245
+G1 Y265 F3000
+
+; push a little filament out and then retract out
+G1 E10 F200
+G1 E-10 F200
+G1 E-20 F500
+
+; pause for user to load and press resume
+M400 U1
+
+; move away from chute and move back, credits to @Billiam for this section
+G1 X65 Y240 F12000
+G1 Y265 F3000
+M400
+
+{if next_extruder < 255}
+    {if long_retractions_when_cut[previous_extruder]}
+    M620.11 S1 I[previous_extruder] E{retraction_distances_when_cut[previous_extruder]} F{old_filament_e_feedrate}
+    M628 S1
+    G92 E0
+    G1 E{retraction_distances_when_cut[previous_extruder]} F[old_filament_e_feedrate]
+    M400
+    M629 S1
+    {else}
+    M620.11 S0
+    {endif}
+    G92 E0
+    {if flush_length_1 > 1}
+        M83
+        ; FLUSH_START
+        ; always use highest temperature to flush
+        M400
+        {if filament_type[next_extruder] == "PETG"}
+            M109 S260
+        {elsif filament_type[next_extruder] == "PVA"}
+         M109 S210
+        {else}
+            M109 S[nozzle_temperature_range_high]
+        {endif}
+        {if flush_length_1 > 23.7}
+            G1 E23.7 F{old_filament_e_feedrate} ; do not need pulsatile flushing for start part
+            G1 E{(flush_length_1 - 23.7) * 0.02} F50
+            G1 E{(flush_length_1 - 23.7) * 0.23} F{old_filament_e_feedrate}
+            G1 E{(flush_length_1 - 23.7) * 0.02} F50
+            G1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}
+            G1 E{(flush_length_1 - 23.7) * 0.02} F50
+            G1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}
+            G1 E{(flush_length_1 - 23.7) * 0.02} F50
+            G1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}
+        {else}
+            G1 E{flush_length_1} F{old_filament_e_feedrate}
+        {endif}
+        ; FLUSH_END
+        G1 E-[old_retract_length_toolchange] F1800
+        G1 E[old_retract_length_toolchange] F300
+    {endif}
+
+    {if flush_length_2 > 1}
+
+    G91
+    G1 X3 F12000; move aside to extrude
+    G90
+    M83
+
+    ; FLUSH_START
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    ; FLUSH_END
+    G1 E-[new_retract_length_toolchange] F1800
+    G1 E[new_retract_length_toolchange] F300
+    {endif}
+
+    {if flush_length_3 > 1}
+
+    G91
+    G1 X3 F12000; move aside to extrude
+    G90
+    M83
+
+    ; FLUSH_START
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    ; FLUSH_END
+    G1 E-[new_retract_length_toolchange] F1800
+    G1 E[new_retract_length_toolchange] F300
+    {endif}
+
+    {if flush_length_4 > 1}
+
+    G91
+    G1 X3 F12000; move aside to extrude
+    G90
+    M83
+
+    ; FLUSH_START
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    ; FLUSH_END
+    {endif}
+
+    ; FLUSH_START
+    M400
+    M109 S[new_filament_temp]
+    G1 E2 F{new_filament_e_feedrate} ;Compensate for filament spillage during waiting temperature
+    ; FLUSH_END
+    M400
+    G92 E0
+    G1 E-[new_retract_length_toolchange] F1800
+    M106 P1 S255
+    M400 S3
+
+    G1 X70 F5000
+    G1 X90 F3000
+    G1 Y255 F4000
+    G1 X105 F5000
+    G1 Y265 F5000
+    G1 X70 F10000
+    G1 X100 F5000
+    G1 X70 F10000
+    G1 X100 F5000
+
+    G1 X70 F10000
+    G1 X80 F15000
+    G1 X60
+    G1 X80
+    G1 X60
+    G1 X80 ; shake to put down garbage
+    G1 X100 F5000
+    G1 X165 F15000; wipe and shake
+    G1 Y256 ; move Y to aside, prevent collision
+    M400
+    G1 Z{max_layer_z + 3.0} F3000
+    {if layer_z <= (initial_layer_print_height + 0.001)}
+    M204 S[initial_layer_acceleration]
+    {else}
+    M204 S[default_acceleration]
+    {endif}
+{else}
+    G1 X[x_after_toolchange] Y[y_after_toolchange] Z[z_after_toolchange] F12000
+{endif}
+
+{endif}
+
+M620 S[next_extruder]A
+T[next_extruder]
+M621 S[next_extruder]A
\ No newline at end of file
diff --git a/P1S/original_change_filament.gcode b/P1S/original_change_filament.gcode
new file mode 100644
index 0000000..2dec52d
--- /dev/null
+++ b/P1S/original_change_filament.gcode
@@ -0,0 +1,189 @@
+M620 S[next_extruder]A
+M204 S9000
+{if toolchange_count > 1 && (z_hop_types[current_extruder] == 0 || z_hop_types[current_extruder] == 3)}
+G17
+G2 Z{z_after_toolchange + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift
+{endif}
+G1 Z{max_layer_z + 3.0} F1200
+
+G1 X70 F21000
+G1 Y245
+G1 Y265 F3000
+M400
+M106 P1 S0
+M106 P2 S0
+{if old_filament_temp > 142 && next_extruder < 255}
+M104 S[old_filament_temp]
+{endif}
+{if long_retractions_when_cut[previous_extruder]}
+M620.11 S1 I[previous_extruder] E-{retraction_distances_when_cut[previous_extruder]} F{old_filament_e_feedrate}
+{else}
+M620.11 S0
+{endif}
+M400
+G1 X90 F3000
+G1 Y255 F4000
+G1 X100 F5000
+G1 X120 F15000
+G1 X20 Y50 F21000
+G1 Y-3
+{if toolchange_count == 2}
+; get travel path for change filament
+M620.1 X[travel_point_1_x] Y[travel_point_1_y] F21000 P0
+M620.1 X[travel_point_2_x] Y[travel_point_2_y] F21000 P1
+M620.1 X[travel_point_3_x] Y[travel_point_3_y] F21000 P2
+{endif}
+M620.1 E F[old_filament_e_feedrate] T{nozzle_temperature_range_high[previous_extruder]}
+T[next_extruder]
+M620.1 E F[new_filament_e_feedrate] T{nozzle_temperature_range_high[next_extruder]}
+
+{if next_extruder < 255}
+    {if long_retractions_when_cut[previous_extruder]}
+    M620.11 S1 I[previous_extruder] E{retraction_distances_when_cut[previous_extruder]} F{old_filament_e_feedrate}
+    M628 S1
+    G92 E0
+    G1 E{retraction_distances_when_cut[previous_extruder]} F[old_filament_e_feedrate]
+    M400
+    M629 S1
+    {else}
+    M620.11 S0
+    {endif}
+    G92 E0
+    {if flush_length_1 > 1}
+        M83
+        ; FLUSH_START
+        ; always use highest temperature to flush
+        M400
+        {if filament_type[next_extruder] == "PETG"}
+            M109 S260
+        {elsif filament_type[next_extruder] == "PVA"}
+         M109 S210
+        {else}
+            M109 S[nozzle_temperature_range_high]
+        {endif}
+        {if flush_length_1 > 23.7}
+            G1 E23.7 F{old_filament_e_feedrate} ; do not need pulsatile flushing for start part
+            G1 E{(flush_length_1 - 23.7) * 0.02} F50
+            G1 E{(flush_length_1 - 23.7) * 0.23} F{old_filament_e_feedrate}
+            G1 E{(flush_length_1 - 23.7) * 0.02} F50
+            G1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}
+            G1 E{(flush_length_1 - 23.7) * 0.02} F50
+            G1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}
+            G1 E{(flush_length_1 - 23.7) * 0.02} F50
+            G1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}
+        {else}
+            G1 E{flush_length_1} F{old_filament_e_feedrate}
+        {endif}
+        ; FLUSH_END
+        G1 E-[old_retract_length_toolchange] F1800
+        G1 E[old_retract_length_toolchange] F300
+    {endif}
+
+    {if flush_length_2 > 1}
+
+    G91
+    G1 X3 F12000; move aside to extrude
+    G90
+    M83
+
+    ; FLUSH_START
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    G1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_2 * 0.02} F50
+    ; FLUSH_END
+    G1 E-[new_retract_length_toolchange] F1800
+    G1 E[new_retract_length_toolchange] F300
+    {endif}
+
+    {if flush_length_3 > 1}
+
+    G91
+    G1 X3 F12000; move aside to extrude
+    G90
+    M83
+
+    ; FLUSH_START
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    G1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_3 * 0.02} F50
+    ; FLUSH_END
+    G1 E-[new_retract_length_toolchange] F1800
+    G1 E[new_retract_length_toolchange] F300
+    {endif}
+
+    {if flush_length_4 > 1}
+
+    G91
+    G1 X3 F12000; move aside to extrude
+    G90
+    M83
+
+    ; FLUSH_START
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    G1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}
+    G1 E{flush_length_4 * 0.02} F50
+    ; FLUSH_END
+    {endif}
+
+    ; FLUSH_START
+    M400
+    M109 S[new_filament_temp]
+    G1 E2 F{new_filament_e_feedrate} ;Compensate for filament spillage during waiting temperature
+    ; FLUSH_END
+    M400
+    G92 E0
+    G1 E-[new_retract_length_toolchange] F1800
+    M106 P1 S255
+    M400 S3
+
+    G1 X70 F5000
+    G1 X90 F3000
+    G1 Y255 F4000
+    G1 X105 F5000
+    G1 Y265 F5000
+    G1 X70 F10000
+    G1 X100 F5000
+    G1 X70 F10000
+    G1 X100 F5000
+
+    G1 X70 F10000
+    G1 X80 F15000
+    G1 X60
+    G1 X80
+    G1 X60
+    G1 X80 ; shake to put down garbage
+    G1 X100 F5000
+    G1 X165 F15000; wipe and shake
+    G1 Y256 ; move Y to aside, prevent collision
+    M400
+    G1 Z{max_layer_z + 3.0} F3000
+    {if layer_z <= (initial_layer_print_height + 0.001)}
+    M204 S[initial_layer_acceleration]
+    {else}
+    M204 S[default_acceleration]
+    {endif}
+{else}
+    G1 X[x_after_toolchange] Y[y_after_toolchange] Z[z_after_toolchange] F12000
+{endif}
+M621 S[next_extruder]A