Printing very bad overhangs with PETG and 0.3mm nozzle
 
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Printing very bad overhangs with PETG and 0.3mm nozzle  

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Md Fo
(@md-fo)
Active Member
Printing very bad overhangs with PETG and 0.3mm nozzle

Hi,

I use an old and very heavily modified Ender2 with a gear extruder (short bowden), original E3D V6 with a 0.3mm nozzle that delivered really excellent results with the old slic3r (including overhangs!).

Everything prints well except overhangs - those really look terrible at 45° already (see picture - tail and also the corners of the neck).

I calibrated extrusion, e-steps - all belts are replaced and tensioned well. Cooling runs well.

Even though Prusa Slicer is so much nicer to work with and also delivers excellent results with all my other printers I cannot resolve that problem on the 0.3mm Ender only.

Can anyone gibe me advice what I could be missing.

 

 

Postato : 04/03/2022 7:27 am
Md Fo
(@md-fo)
Active Member
Topic starter answered:
Print Configuration

this is the print config I use

[print:Fine Details]
avoid_crossing_perimeters = 1
avoid_crossing_perimeters_max_detour = 0
bottom_fill_pattern = hilbertcurve
bottom_solid_layers = 6
bottom_solid_min_thickness = 0
bridge_acceleration = 0
bridge_angle = 0
bridge_flow_ratio = 0.77
bridge_speed = 60
brim_separation = 0
brim_type = outer_only
brim_width = 0
clip_multipart_objects = 1
compatible_printers = E2X
compatible_printers_condition = 
complete_objects = 0
default_acceleration = 0
dont_support_bridges = 1
draft_shield = disabled
elefant_foot_compensation = 0.15
ensure_vertical_shell_thickness = 0
external_perimeter_extrusion_width = 0
external_perimeter_speed = 50%
external_perimeters_first = 0
extra_perimeters = 1
extruder_clearance_height = 20
extruder_clearance_radius = 20
extrusion_width = 0
fill_angle = 45
fill_density = 25%
fill_pattern = honeycomb
first_layer_acceleration = 0
first_layer_acceleration_over_raft = 0
first_layer_extrusion_width = 0
first_layer_height = 0.25
first_layer_speed = 50%
first_layer_speed_over_raft = 30
fuzzy_skin = none
fuzzy_skin_point_dist = 0.8
fuzzy_skin_thickness = 0.3
gap_fill_enabled = 1
gap_fill_speed = 25
gcode_comments = 0
gcode_label_objects = 0
gcode_resolution = 0.0125
infill_acceleration = 0
infill_anchor = 600%
infill_anchor_max = 50
infill_every_layers = 10
infill_extruder = 1
infill_extrusion_width = 0
infill_first = 0
infill_only_where_needed = 0
infill_overlap = 8%
infill_speed = 65
inherits = 
interface_shells = 0
ironing = 0
ironing_flowrate = 15%
ironing_spacing = 0.1
ironing_speed = 15
ironing_type = top
layer_height = 0.15
max_print_speed = 80
max_volumetric_speed = 0
min_skirt_length = 20
mmu_segmented_region_max_width = 0
notes = 
only_retract_when_crossing_perimeters = 1
ooze_prevention = 0
output_filename_format = [input_filename_base] - T[temperature] - L[layer_height] c[xy_size_compensation] f[fill_density] sup[support_material].gcode
overhangs = 1
perimeter_acceleration = 0
perimeter_extruder = 1
perimeter_extrusion_width = 0
perimeter_speed = 50
perimeters = 3
post_process = 
print_settings_id = 
raft_contact_distance = 0.1
raft_expansion = 1.5
raft_first_layer_density = 90%
raft_first_layer_expansion = 3
raft_layers = 0
resolution = 0
seam_position = aligned
single_extruder_multi_material_priming = 1
skirt_distance = 6
skirt_height = 1
skirts = 1
slice_closing_radius = 0.049
slicing_mode = regular
small_perimeter_speed = 15
solid_infill_below_area = 60
solid_infill_every_layers = 0
solid_infill_extruder = 1
solid_infill_extrusion_width = 0
solid_infill_speed = 20
spiral_vase = 0
standby_temperature_delta = -5
support_material = 0
support_material_angle = 0
support_material_auto = 1
support_material_bottom_contact_distance = 0
support_material_bottom_interface_layers = -1
support_material_buildplate_only = 0
support_material_closing_radius = 2
support_material_contact_distance = 0.2
support_material_enforce_layers = 0
support_material_extruder = 1
support_material_extrusion_width = 0
support_material_interface_contact_loops = 0
support_material_interface_extruder = 1
support_material_interface_layers = 3
support_material_interface_pattern = rectilinear
support_material_interface_spacing = 0
support_material_interface_speed = 100%
support_material_pattern = rectilinear
support_material_spacing = 2.5
support_material_speed = 60
support_material_style = grid
support_material_synchronize_layers = 0
support_material_threshold = 80
support_material_with_sheath = 1
support_material_xy_spacing = 50%
thick_bridges = 0
thin_walls = 1
threads = 16
top_fill_pattern = hilbertcurve
top_infill_extrusion_width = 0
top_solid_infill_speed = 15
top_solid_layers = 6
top_solid_min_thickness = 0
travel_speed = 130
travel_speed_z = 0
wipe_tower = 0
wipe_tower_bridging = 10
wipe_tower_brim_width = 2
wipe_tower_no_sparse_layers = 0
wipe_tower_rotation_angle = 0
wipe_tower_width = 60
wipe_tower_x = 180
wipe_tower_y = 140
xy_size_compensation = -0.05

 

I am using Prusa PETG btw.

 

Questo post è stato modificato 3 years fa da Md Fo
Postato : 04/03/2022 10:08 am
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