3DPrinting/PrusaSlicer-NonPlainar
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New option for vertical distance between object and support material, with special handling of the 0 case that disabled bridge flow/speed in order to allow for soluble material. #2491 #2272 #2069 #1942 #2435 #1703

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This commit is contained in:
Alessandro Ranellucci 2015-01-19 09:52:24 +01:00
parent fc5437f6d3
commit 7b980c1dc9
10 changed files with 57 additions and 16 deletions
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3
README.md
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@ -253,6 +253,9 @@ The author of the Silk icon set is Mark James.
Spacing between pattern lines (mm, default: 2.5)
--support-material-angle
Support material angle in degrees (range: 0-90, default: 0)
--support-material-contact-distance
Vertical distance between object and support material
(0+, default: 0.2)
--support-material-interface-layers
Number of perpendicular layers between support material and object (0+, default: 3)
--support-material-interface-spacing

5
lib/Slic3r/GUI/Tab.pm
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@ -453,7 +453,7 @@ sub build {
raft_layers
support_material_pattern support_material_spacing support_material_angle
support_material_interface_layers support_material_interface_spacing
dont_support_bridges
support_material_contact_distance dont_support_bridges
notes
complete_objects extruder_clearance_radius extruder_clearance_height
gcode_comments output_filename_format
@ -556,6 +556,7 @@ sub build {
}
{
my $optgroup = $page->new_optgroup('Options for support material and raft');
$optgroup->append_single_option_line('support_material_contact_distance');
$optgroup->append_single_option_line('support_material_pattern');
$optgroup->append_single_option_line('support_material_spacing');
$optgroup->append_single_option_line('support_material_angle');
@ -766,7 +767,7 @@ sub _update {
for qw(support_material_threshold support_material_enforce_layers
support_material_pattern support_material_spacing support_material_angle
support_material_interface_layers dont_support_bridges
support_material_extrusion_width);
support_material_extrusion_width support_material_contact_distance);
$self->get_field($_)->toggle($have_support_material && $have_support_interface)
for qw(support_material_interface_spacing support_material_interface_extruder
support_material_interface_speed);

4
lib/Slic3r/Layer/PerimeterGenerator.pm
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@ -17,6 +17,7 @@ has 'ext_perimeter_flow' => (is => 'ro', required => 1);
has 'overhang_flow' => (is => 'ro', required => 1);
has 'solid_infill_flow' => (is => 'ro', required => 1);
has 'config' => (is => 'ro', default => sub { Slic3r::Config::PrintRegion->new });
has 'object_config' => (is => 'ro', default => sub { Slic3r::Config::PrintObject->new });
has 'print_config' => (is => 'ro', default => sub { Slic3r::Config::Print->new });
has '_lower_slices_p' => (is => 'rw', default => sub { [] });
has '_holes_pt' => (is => 'rw');
@ -347,7 +348,8 @@ sub _traverse_loops {
# detect overhanging/bridging perimeters
my @paths = ();
if ($self->config->overhangs && $self->layer_id > 0) {
if ($self->config->overhangs && $self->layer_id > 0
&& !($self->object_config->support_material && $self->object_config->support_material_contact_distance == 0)) {
# get non-overhang paths by intersecting this loop with the grown lower slices
foreach my $polyline (@{ intersection_ppl([ $loop->polygon ], $self->_lower_slices_p) }) {
push @paths, Slic3r::ExtrusionPath->new(

1
lib/Slic3r/Layer/Region.pm
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@ -34,6 +34,7 @@ sub make_perimeters {
my $generator = Slic3r::Layer::PerimeterGenerator->new(
# input:
config => $self->config,
object_config => $self->layer->object->config,
print_config => $self->layer->print->config,
layer_height => $self->height,
layer_id => $self->layer->id,

23
lib/Slic3r/Print/Object.pm
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@ -55,13 +55,14 @@ sub slice {
# raise first object layer Z by the thickness of the raft itself
# plus the extra distance required by the support material logic
$print_z += $self->config->get_value('first_layer_height');
my $first_layer_height = $self->config->get_value('first_layer_height');
$print_z += $first_layer_height;
$print_z += $self->config->layer_height * ($self->config->raft_layers - 1);
# at this stage we don't know which nozzles are actually used for the first layer
# so we compute the average of all of them
my $nozzle_diameter = sum(@{$self->print->config->nozzle_diameter})/@{$self->print->config->nozzle_diameter};
my $distance = Slic3r::Print::SupportMaterial::contact_distance($nozzle_diameter);
my $distance = $self->_support_material->contact_distance($first_layer_height, $nozzle_diameter);
# force first layer print_z according to the contact distance
# (the loop below will raise print_z by such height)
@ -537,6 +538,14 @@ sub generate_support_material {
}
$self->print->status_cb->(85, "Generating support material");
$self->_support_material->generate($self);
$self->set_step_done(STEP_SUPPORTMATERIAL);
}
sub _support_material {
my ($self) = @_;
my $first_layer_flow = Slic3r::Flow->new_from_width(
width => ($self->config->first_layer_extrusion_width || $self->config->support_material_extrusion_width),
role => FLOW_ROLE_SUPPORT_MATERIAL,
@ -546,16 +555,13 @@ sub generate_support_material {
bridge_flow_ratio => 0,
);
my $s = Slic3r::Print::SupportMaterial->new(
return Slic3r::Print::SupportMaterial->new(
print_config => $self->print->config,
object_config => $self->config,
first_layer_flow => $first_layer_flow,
flow => $self->support_material_flow,
interface_flow => $self->support_material_flow(FLOW_ROLE_SUPPORT_MATERIAL_INTERFACE),
);
$s->generate($self);
$self->set_step_done(STEP_SUPPORTMATERIAL);
}
sub detect_surfaces_type {
@ -616,6 +622,11 @@ sub detect_surfaces_type {
S_TYPE_BOTTOMBRIDGE,
);
# if we have soluble support material, don't bridge
if ($self->config->support_material && $self->config->support_material_contact_distance == 0) {
$_->surface_type(S_TYPE_BOTTOM) for @bottom;
}
# if user requested internal shells, we need to identify surfaces
# lying on other slices not belonging to this region
if ($self->config->interface_shells) {

17
lib/Slic3r/Print/SupportMaterial.pm
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@ -270,8 +270,7 @@ sub contact_area {
@{$layer->regions};
my $nozzle_diameter = sum(@nozzle_diameters)/@nozzle_diameters;
my $contact_z = $layer->print_z - contact_distance($nozzle_diameter);
###$contact_z = $layer->print_z - $layer->height;
my $contact_z = $layer->print_z - $self->contact_distance($layer->height, $nozzle_diameter);
# ignore this contact area if it's too low
next if $contact_z < $self->object_config->get_value('first_layer_height');
@ -339,12 +338,13 @@ sub support_layers_z {
# layer_height > nozzle_diameter * 0.75
my $nozzle_diameter = $self->print_config->get_at('nozzle_diameter', $self->object_config->support_material_extruder-1);
my $support_material_height = max($max_object_layer_height, $nozzle_diameter * 0.75);
my $contact_distance = $self->contact_distance($support_material_height, $nozzle_diameter);
# initialize known, fixed, support layers
my @z = sort { $a <=> $b }
@$contact_z,
@$top_z, # TODO: why we have this?
(map $_ + contact_distance($nozzle_diameter), @$top_z);
(map $_ + $contact_distance, @$top_z);
# enforce first layer height
my $first_layer_height = $self->object_config->get_value('first_layer_height');
@ -906,10 +906,15 @@ sub overlapping_layers {
} 0..$#$support_z;
}
# class method
sub contact_distance {
my ($nozzle_diameter) = @_;
return $nozzle_diameter * 1.5;
my ($self, $layer_height, $nozzle_diameter) = @_;
my $extra = $self->object_config->support_material_contact_distance;
if ($extra == 0) {
return $layer_height;
} else {
return $nozzle_diameter + $extra;
}
}
1;

2
slic3r.pl
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@ -405,6 +405,8 @@ $j
Spacing between pattern lines (mm, default: $config->{support_material_spacing})
--support-material-angle
Support material angle in degrees (range: 0-90, default: $config->{support_material_angle})
--support-material-contact-distance
Vertical distance between object and support material (0+, default: $config->{support_material_contact_distance})
--support-material-interface-layers
Number of perpendicular layers between support material and object (0+, default: $config->{support_material_interface_layers})
--support-material-interface-spacing

2
t/support.t
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@ -30,7 +30,7 @@ use Slic3r::Test;
first_layer_flow => $flow,
);
my $support_z = $support->support_layers_z(\@contact_z, \@top_z, $config->layer_height);
my $expected_top_spacing = Slic3r::Print::SupportMaterial::contact_distance($config->nozzle_diameter->[0]);
my $expected_top_spacing = $support->contact_distance($config->layer_height, $config->nozzle_diameter->[0]);
is $support_z->[0], $config->first_layer_height,
'first layer height is honored';

13
xs/src/libslic3r/PrintConfig.cpp
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@ -780,6 +780,19 @@ PrintConfigDef::build_def() {
Options["support_material_angle"].min = 0;
Options["support_material_angle"].max = 359;
Options["support_material_contact_distance"].type = coFloat;
Options["support_material_contact_distance"].gui_type = "f_enum_open";
Options["support_material_contact_distance"].label = "Contact Z distance";
Options["support_material_contact_distance"].category = "Support material";
Options["support_material_contact_distance"].tooltip = "The vertical distance between object and support material interface. Setting this to 0 will also prevent Slic3r from using bridge flow and speed for the first object layer.";
Options["support_material_contact_distance"].sidetext = "mm";
Options["support_material_contact_distance"].cli = "support-material-contact-distance=f";
Options["support_material_contact_distance"].min = 0;
Options["support_material_contact_distance"].enum_values.push_back("0");
Options["support_material_contact_distance"].enum_values.push_back("0.2");
Options["support_material_contact_distance"].enum_labels.push_back("0 (soluble)");
Options["support_material_contact_distance"].enum_labels.push_back("0.2 (detachable)");
Options["support_material_enforce_layers"].type = coInt;
Options["support_material_enforce_layers"].label = "Enforce support for the first";
Options["support_material_enforce_layers"].category = "Support material";

3
xs/src/libslic3r/PrintConfig.hpp
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@ -133,6 +133,7 @@ class PrintObjectConfig : public virtual StaticPrintConfig
ConfigOptionEnum<SeamPosition> seam_position;
ConfigOptionBool support_material;
ConfigOptionInt support_material_angle;
ConfigOptionFloat support_material_contact_distance;
ConfigOptionInt support_material_enforce_layers;
ConfigOptionInt support_material_extruder;
ConfigOptionFloatOrPercent support_material_extrusion_width;
@ -159,6 +160,7 @@ class PrintObjectConfig : public virtual StaticPrintConfig
this->seam_position.value = spAligned;
this->support_material.value = false;
this->support_material_angle.value = 0;
this->support_material_contact_distance.value = 0.2;
this->support_material_enforce_layers.value = 0;
this->support_material_extruder.value = 1;
this->support_material_extrusion_width.value = 0;
@ -186,6 +188,7 @@ class PrintObjectConfig : public virtual StaticPrintConfig
if (opt_key == "seam_position") return &this->seam_position;
if (opt_key == "support_material") return &this->support_material;
if (opt_key == "support_material_angle") return &this->support_material_angle;
if (opt_key == "support_material_contact_distance") return &this->support_material_contact_distance;
if (opt_key == "support_material_enforce_layers") return &this->support_material_enforce_layers;
if (opt_key == "support_material_extruder") return &this->support_material_extruder;
if (opt_key == "support_material_extrusion_width") return &this->support_material_extrusion_width;