Bonjour,
Ayant résolu mon problème de "pointe", je poste ici le résultat qui me convient.
Attention, ce n'est pas parfait, mais l'objet a une hauteur de 20mm, pour une base de 5mm x 5mm.
Avec nu peu de finition (cutter, je pense), on peut avoir un résultat très correct.
Voici la photo :
Je vous met aussi ma config Cura.
Les lignes en rouges sont les lignes importantes, qui permettent d'assurer que la tête d'extrusion attends X secondes (ici 10), avant de commencer à imprimer la couche supérieure. Ce qui permet de ne pas imprimer sur une couche pas sèche, et d'empêcher les "patés" que j'ai eu lors de mes premières impressions.
Voici le .ini (incomplet) :
[profile]
layer_height = 0.1
wall_thickness = 0.8
retraction_enable = True
solid_layer_thickness = 0.6
fill_density = 20
nozzle_size = 0.4
print_speed = 30
print_temperature = 220
print_temperature2 = 0
print_temperature3 = 0
print_temperature4 = 0
print_bed_temperature = 70
support = None
platform_adhesion = None
support_dual_extrusion = Both
wipe_tower = False
wipe_tower_volume = 15
ooze_shield = False
filament_diameter = 2.85
filament_diameter2 = 0
filament_diameter3 = 0
filament_diameter4 = 0
filament_flow = 100.0
retraction_speed = 40.0
retraction_amount = 4.5
retraction_dual_amount = 16.5
retraction_min_travel = 2
retraction_combing = True
retraction_minimal_extrusion = 0.02
bottom_thickness = 0.3
object_sink = 0.0
overlap_dual = 0.15
travel_speed = 150.0
bottom_layer_speed = 20
infill_speed = 0.0
cool_min_layer_time = 10
fan_enabled = True
skirt_line_count = 1
skirt_gap = 3.0
skirt_minimal_length = 150.0
fan_full_height = 5.0
fan_speed = 40
fan_speed_max = 80
cool_min_feedrate = 10
cool_head_lift = True
solid_top = True
solid_bottom = True
fill_overlap = 15
support_fill_rate = 15
support_xy_distance = 0.7
support_z_distance = 0.15
spiralize = False
brim_line_count = 20
raft_margin = 5
raft_line_spacing = 1.0
raft_base_thickness = 0.3
raft_base_linewidth = 0.7
raft_interface_thickness = 0.2
raft_interface_linewidth = 0.2
fix_horrible_union_all_type_a = False
fix_horrible_union_all_type_b = True
fix_horrible_use_open_bits = False
fix_horrible_extensive_stitching = False
plugin_config = (lp1
.
object_center_x = -1
object_center_y = -1