I have problems generating gcode with slic3r - ubuntu :
The test print is a simple small cube.
The print speeds seem to be wrong - the first 3 layers are at double speed - other layers are quite slow - solid infills are extreme fast.
I cannot explain this behaviour from the settings. Please have a look on the feed-rates :
First layer (solid):
G1 Z0.250 F12000.000
G1 X78.114 Y77.207 F12000.000
G1 E2.10000 F1800.000
G1 X80.000 Y76.630 E2.16818
F1936.839
G1 X100.000 Y76.630 E2.85972
G1 X101.581 Y77.024 E2.91607
G1 X102.793 Y78.114 E2.97242
F1936.839
G1 X103.370 Y80.000 E3.04060
Second layer(solid):
G1 Z0.450 F12000.000
G1 X86.508 Y99.475 F12000.000
G1 E2.10000 F1800.000
G1 X80.525 Y99.475 E2.25670
F2106.212
G1 X80.525 Y80.525 E2.75304
G1 X99.475 Y80.525 E3.24939
F2106.212
G1 X99.475 Y99.475 E3.74573
Third layer (solid) :
G1 Z0.650 F12000.000
G1 X99.475 Y85.776 F12000.000
G1 E2.10000 F1800.000
G1 X99.475 Y99.475 E2.45880
F2106.212
G1 X80.525 Y99.475 E2.95515
G1 X80.525 Y80.525 E3.45149
G1 X99.475 Y80.525 E3.94784
F2106.212
G1 X99.475 Y85.724 E4.08401
4th layer (with infill)
G1 Z0.850 F12000.000
G1 X99.475 Y94.370 F12000.000
G1 E2.10000 F1800.000
G1 X99.475 Y99.475 E2.23373
F960.823
G1 X80.525 Y99.475 E2.73007
G1 X80.525 Y80.525 E3.22642
G1 X99.475 Y80.525 E3.72276
F960.823
G1 X99.475 Y94.317 E4.08401
Infill:
G1 X98.584 Y99.212 E6.17331
F960.823
G1 X96.883 Y99.212 E6.23454
G1 X99.212 Y96.883 E6.35309
G1 X99.212 Y95.182 E6.41432
G1 X95.182 Y99.212 E6.61946
Solid infill :
G1 X80.788 Y99.172 E6.14339
F4800.000
G1 X80.788 Y98.597 E6.16407
G1 X81.403 Y99.212 E6.19535
G1 X81.977 Y99.212 E6.21603
G1 X80.788 Y98.023 E6.27657
G1 X80.788 Y97.448 E6.29725
The settings are
; avoid_crossing_perimeters = 0
; bed_size = 180,180
; bed_temperature = 50
; bridge_acceleration = 0
; bridge_fan_speed = 100
; bridge_flow_ratio = 1
; brim_width = 0
; complete_objects = 0
; cooling = 1
; default_acceleration = 0
; disable_fan_first_layers = 1
; duplicate_distance = 6
; end_gcode = M104 S0 ; turn off temperature\nG28 X0 ; home X axis\nM84 ; disable motors\nM83 ; relative Extruder Mode\nG92 E0\nG1 E-1\nG92 E0
; external_perimeters_first = 0
; extruder_clearance_height = 20
; extruder_clearance_radius = 20
; extruder_offset = 0x0
; extrusion_axis = E
; extrusion_multiplier = 0.9
; fan_always_on = 0
; fan_below_layer_time = 60
; filament_diameter = 1.75
; first_layer_acceleration = 0
; first_layer_bed_temperature = 85
; first_layer_extrusion_width = 150%
; first_layer_speed = 90%
; first_layer_temperature = 225
; g0 = 0
; gcode_arcs = 0
; gcode_comments = 0
; gcode_flavor = reprap
; infill_acceleration = 0
; infill_first = 0
; layer_gcode =
; max_fan_speed = 100
; min_fan_speed = 100
; min_print_speed = 10
; min_skirt_length = 0
; notes =
; nozzle_diameter = 0.35
; only_retract_when_crossing_perimeters = 1
; ooze_prevention = 0
; output_filename_format = [input_filename_base].gcode
; perimeter_acceleration = 0
; post_process =
; print_center = 90,90
; resolution = 0
; retract_before_travel = 2
; retract_layer_change = 1
; retract_length = 2
; retract_length_toolchange = 10
; retract_lift = 0
; retract_restart_extra = 0.1
; retract_restart_extra_toolchange = 0
; retract_speed = 30
; skirt_distance = 3
; skirt_height = 1
; skirts = 1
; slowdown_below_layer_time = 30
; spiral_vase = 0
; standby_temperature_delta = -5
; start_gcode = M82 ; relative Extruder Mode\nG92 E0\nG28 ; home all axes
; temperature = 215
; threads = 2
; toolchange_gcode =
; travel_speed = 200
; use_firmware_retraction = 0
; use_relative_e_distances = 0
; vibration_limit = 0
; wipe = 0
; z_offset = 0
; dont_support_bridges = 1
; extrusion_width = 0
; first_layer_height = 0.25
; infill_only_where_needed = 0
; interface_shells = 0
; layer_height = 0.2
; raft_layers = 0
; seam_position = random
; support_material = 0
; support_material_angle = 0
; support_material_enforce_layers = 0
; support_material_extruder = 1
; support_material_extrusion_width = 0
; support_material_interface_extruder = 1
; support_material_interface_layers = 3
; support_material_interface_spacing = 0
; support_material_interface_speed = 100%
; support_material_pattern = pillars
; support_material_spacing = 2
; support_material_speed = 80
; support_material_threshold = 0
; bottom_solid_layers = 3
; bridge_speed = 80
; external_perimeter_speed = 90%
; extra_perimeters = 1
; fill_angle = 45
; fill_density = 40%
; fill_pattern = rectilinear
; gap_fill_speed = 40
; infill_every_layers = 1
; infill_extruder = 1
; infill_extrusion_width = 0
; infill_speed = 120
; overhangs = 1
; perimeter_extruder = 1
; perimeter_extrusion_width = 0
; perimeter_speed = 120
; perimeters = 2
; small_perimeter_speed = 100
; solid_fill_pattern = rectilinear
; solid_infill_below_area = 70
; solid_infill_every_layers = 8
; solid_infill_extrusion_width = 0
; solid_infill_speed = 100
; thin_walls = 1
; top_infill_extrusion_width = 0
; top_solid_infill_speed = 100
; top_solid_layers = 2