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Add outer-only mouse ears and align ear radius controls (#15015)

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Improve mouse ear brim controls
This commit is contained in:
maddavo
2026-08-02 12:54:16 +10:00
committed by GitHub
parent fb36d5e73b
commit 13ae3a1c90
14 changed files with 252 additions and 53 deletions
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16
src/libslic3r/Brim.cpp
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@@ -349,7 +349,7 @@ static ExPolygons make_brim_ears_auto(const ExPolygons& obj_expoly, coord_t size
return mouse_ears_ex;
}
static ExPolygons make_brim_ears(const PrintObject* object, const double& flowWidth, float brim_offset, Flow &flow, bool is_outer_brim)
static ExPolygons make_brim_ears(const PrintObject* object)
{
ExPolygons mouse_ears_ex;
BrimPoints brim_ear_points = object->model_object()->brim_points;
@@ -373,12 +373,7 @@ static ExPolygons make_brim_ears(const PrintObject* object, const double& flowWi
Vec3f world_pos = pt.transform(trsf.get_matrix());
if ( world_pos.z() > 0) continue;
Polygon point_round;
float brim_width = floor(scale_(pt.head_front_radius) / flowWidth / 2) * flowWidth * 2;
if (is_outer_brim) {
double flowWidthScale = flowWidth / SCALING_FACTOR;
brim_width = floor(brim_width / flowWidthScale / 2) * flowWidthScale * 2;
}
coord_t size_ear = (brim_width - brim_offset - flow.scaled_spacing());
const coord_t size_ear = scale_(pt.head_front_radius);
for (size_t i = 0; i < POLY_SIDE_COUNT; i++) {
double angle = (2.0 * PI * i) / POLY_SIDE_COUNT;
point_round.points.emplace_back(size_ear * cos(angle), size_ear * sin(angle));
@@ -452,7 +447,8 @@ static ExPolygons outer_inner_brim_area(const Print& print,
bool has_brim_auto = object->config().brim_type == btAutoBrim;
const bool use_auto_brim_ears = object->config().brim_type == btEar;
const bool use_brim_ears = object->config().brim_type == btPainted;
const bool has_inner_brim = brim_type == btInnerOnly || brim_type == btOuterAndInner || use_auto_brim_ears || use_brim_ears;
const bool use_inner_brim_ears = (use_auto_brim_ears || use_brim_ears) && !object->config().brim_ears_outer_only.value;
const bool has_inner_brim = brim_type == btInnerOnly || brim_type == btOuterAndInner || use_inner_brim_ears;
const bool has_outer_brim = brim_type == btOuterOnly || brim_type == btOuterAndInner || brim_type == btAutoBrim || use_auto_brim_ears || use_brim_ears;
coord_t ear_detection_length = scale_(object->config().brim_ears_detection_length.value);
coordf_t brim_ears_max_angle = object->config().brim_ears_max_angle.value;
@@ -531,7 +527,7 @@ static ExPolygons outer_inner_brim_area(const Print& print,
auto innerExpoly = offset_ex(ex_poly.contour, brim_offset, jtRound, SCALED_RESOLUTION);
ExPolygons outerExpoly;
if (use_brim_ears) {
outerExpoly = make_brim_ears(object, flowWidth, brim_offset, flow, true);
outerExpoly = make_brim_ears(object);
//outerExpoly = offset_ex(outerExpoly, brim_width_mod, jtRound, SCALED_RESOLUTION);
} else if (use_auto_brim_ears) {
coord_t size_ear = (brim_width_mod - brim_offset - flow.scaled_spacing());
@@ -545,7 +541,7 @@ static ExPolygons outer_inner_brim_area(const Print& print,
ExPolygons outerExpoly;
auto innerExpoly = offset_ex(ex_poly_holes_reversed, -brim_width - brim_offset);
if (use_brim_ears) {
outerExpoly = make_brim_ears(object, flowWidth, brim_offset, flow, false);
outerExpoly = make_brim_ears(object);
} else if (use_auto_brim_ears) {
coord_t size_ear = (brim_width - brim_offset - flow.scaled_spacing());
outerExpoly = make_brim_ears_auto(offset_ex(ex_poly_holes_reversed, -brim_offset), size_ear, ear_detection_length, brim_ears_max_angle, false);

2
src/libslic3r/Preset.cpp
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@@ -1091,7 +1091,7 @@ static std::vector<std::string> s_Preset_print_options{
"top_surface_speed", "support_speed", "support_object_xy_distance", "support_object_first_layer_gap", "support_interface_speed",
"bridge_speed", "internal_bridge_speed", "gap_infill_speed", "travel_speed", "travel_speed_z", "initial_layer_speed",
"outer_wall_acceleration", "initial_layer_acceleration", "top_surface_acceleration", "default_acceleration", "skirt_type", "skirt_loops", "skirt_speed","min_skirt_length", "skirt_distance", "skirt_start_angle", "skirt_height","single_loop_draft_shield", "draft_shield",
"brim_width", "brim_object_gap", "brim_flow_ratio", "brim_use_efc_outline", "combine_brims", "brim_type", "brim_ears_max_angle", "brim_ears_detection_length", "enable_support", "support_type", "support_threshold_angle", "support_threshold_overlap","enforce_support_layers",
"brim_width", "brim_object_gap", "brim_flow_ratio", "brim_use_efc_outline", "combine_brims", "brim_type", "brim_ears_max_angle", "brim_ears_detection_length", "brim_ears_outer_only", "enable_support", "support_type", "support_threshold_angle", "support_threshold_overlap","enforce_support_layers",
"raft_layers", "raft_first_layer_density", "raft_first_layer_expansion", "raft_contact_distance", "raft_expansion",
"support_base_pattern", "support_base_pattern_spacing", "support_expansion", "support_style",
// BBS

7
src/libslic3r/PrintConfig.cpp
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@@ -1937,6 +1937,13 @@ void PrintConfigDef::init_fff_params()
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionFloat(1));
def = this->add("brim_ears_outer_only", coBool);
def->label = L("Brim ears outer only");
def->category = L("Support");
def->tooltip = L("Generate mouse ears only on the outer contour of the model, excluding holes and enclosed sections.");
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionBool(false));
def = this->add("compatible_printers", coStrings);
def->label = L("Select printers");
def->mode = comAdvanced;

1
src/libslic3r/PrintConfig.hpp
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@@ -1082,6 +1082,7 @@ PRINT_CONFIG_CLASS_DEFINE(
((ConfigOptionFloat, brim_width))
((ConfigOptionFloat, brim_ears_detection_length))
((ConfigOptionFloat, brim_ears_max_angle))
((ConfigOptionBool, brim_ears_outer_only))
((ConfigOptionFloat, skirt_start_angle))
((ConfigOptionBool, bridge_no_support))
((ConfigOptionFloat, elefant_foot_compensation))

1
src/libslic3r/PrintObject.cpp
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@@ -1175,6 +1175,7 @@ bool PrintObject::invalidate_state_by_config_options(
|| opt_key == "brim_type"
|| opt_key == "brim_ears_max_angle"
|| opt_key == "brim_ears_detection_length"
|| opt_key == "brim_ears_outer_only"
// BBS: brim generation depends on printing speed
|| opt_key == "outer_wall_speed"
|| opt_key == "small_perimeter_speed"