CPE prime tower update

Small purge to increase stability of CPE prime towers.

resources/quality/ultimaker3/um3_aa0.25_CPE_Normal_Quality.inst.cfg

@@ -12,6 +12,7 @@ material = generic_cpe
 variant = AA 0.25
 
 [values]
+prime_tower_purge_volume = 1
 prime_tower_size = 12
 prime_tower_wall_thickness = 0.9
 retraction_extrusion_window = 0.5

resources/quality/ultimaker3/um3_aa0.4_CPE_Draft_Print.inst.cfg

@@ -16,6 +16,7 @@ material_print_temperature = =default_material_print_temperature + 10
 material_initial_print_temperature = =material_print_temperature - 5
 material_final_print_temperature = =material_print_temperature - 10
 material_standby_temperature = 100
+prime_tower_purge_volume = 1
 skin_overlap = 20
 speed_print = 60
 speed_layer_0 = 20

resources/quality/ultimaker3/um3_aa0.4_CPE_Fast_Print.inst.cfg

@@ -17,6 +17,7 @@ material_print_temperature = =default_material_print_temperature + 5
 material_initial_print_temperature = =material_print_temperature - 5
 material_final_print_temperature = =material_print_temperature - 10
 material_standby_temperature = 100
+prime_tower_purge_volume = 1
 speed_print = 60
 speed_layer_0 = 20
 speed_topbottom = =math.ceil(speed_print * 30 / 60)

resources/quality/ultimaker3/um3_aa0.4_CPE_High_Quality.inst.cfg

@@ -19,6 +19,7 @@ material_print_temperature = =default_material_print_temperature - 5
 material_initial_print_temperature = =material_print_temperature - 5
 material_final_print_temperature = =material_print_temperature - 10
 material_standby_temperature = 100
+prime_tower_purge_volume = 1
 speed_print = 50
 speed_layer_0 = 20
 speed_topbottom = =math.ceil(speed_print * 30 / 50)

resources/quality/ultimaker3/um3_aa0.4_CPE_Normal_Quality.inst.cfg

@@ -17,6 +17,7 @@ machine_nozzle_heat_up_speed = 1.5
 material_initial_print_temperature = =material_print_temperature - 5
 material_final_print_temperature = =material_print_temperature - 10
 material_standby_temperature = 100
+prime_tower_purge_volume = 1
 speed_print = 55
 speed_layer_0 = 20
 speed_topbottom = =math.ceil(speed_print * 30 / 55)

resources/quality/ultimaker3/um3_aa0.8_CPE_Draft_Print.inst.cfg

@@ -17,6 +17,7 @@ line_width = =machine_nozzle_size * 0.875
 material_print_temperature = =default_material_print_temperature + 15
 material_standby_temperature = 100
 prime_tower_enable = True
+prime_tower_purge_volume = 1
 speed_print = 40
 speed_topbottom = =math.ceil(speed_print * 25 / 40)
 speed_wall = =math.ceil(speed_print * 30 / 40)

resources/quality/ultimaker3/um3_aa0.8_CPE_Superdraft_Print.inst.cfg

@@ -18,6 +18,7 @@ line_width = =machine_nozzle_size * 0.875
 material_print_temperature = =default_material_print_temperature + 20
 material_standby_temperature = 100
 prime_tower_enable = True
+prime_tower_purge_volume = 1
 speed_print = 45
 speed_topbottom = =math.ceil(speed_print * 30 / 45)
 speed_wall = =math.ceil(speed_print * 40 / 45)

resources/quality/ultimaker3/um3_aa0.8_CPE_Verydraft_Print.inst.cfg

@@ -18,6 +18,7 @@ line_width = =machine_nozzle_size * 0.875
 material_print_temperature = =default_material_print_temperature + 17
 material_standby_temperature = 100
 prime_tower_enable = True
+prime_tower_purge_volume = 1
 speed_print = 40
 speed_topbottom = =math.ceil(speed_print * 25 / 40)
 speed_wall = =math.ceil(speed_print * 30 / 40)