3DPrinting/PrusaSlicer-NonPlainar
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create cradle around small parts, break tiny connections in the model graph, fix PETG support

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PavelMikus 2022-09-07 17:11:58 +02:00
parent 8a1a31992a
commit a6a723928c
3 changed files with 44 additions and 46 deletions
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27
src/libslic3r/SupportSpotsGenerator.hpp
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@ -30,40 +30,41 @@ struct Params {
const std::pair<float,float> malformation_angle_span_deg = std::pair<float, float> { 45.0f, 80.0f };
const float min_distance_between_support_points = 3.0f; //mm
const float support_points_interface_radius = 2.0f; // mm
// NOTE: Currently disabled, does not work correctly due to inability of the algorithm to correctly detect islands at each layer
const float supportable_volume_threshold = 0.0f; // mm^3
const float support_points_interface_radius = 1.5f; // mm
const float connections_min_considerable_area = 1.5f; //mm^2
const float small_parts_threshold = 5.0f; //mm^3
const float small_parts_support_points_interface_radius = 3.0f; // mm
std::string filament_type;
const float gravity_constant = 9806.65f; // mm/s^2; gravity acceleration on Earth's surface, algorithm assumes that printer is in upwards position.
const float max_acceleration = 9 * 1000.0f; // mm/s^2 ; max acceleration of object (bed) in XY (NOTE: The max hit is received by the object in the jerk phase, so the usual machine limits are too low)
const float filament_density = 1.25e-3f; // g/mm^3 ; Common filaments are very lightweight, so precise number is not that important
const float material_yield_strength = 33.0f * 1e6f; // (g*mm/s^2)/mm^2; 33 MPa is yield strength of ABS, which has the lowest yield strength from common materials.
const double filament_density = 1.25e-3f; // g/mm^3 ; Common filaments are very lightweight, so precise number is not that important
const double material_yield_strength = 33.0f * 1e6f; // (g*mm/s^2)/mm^2; 33 MPa is yield strength of ABS, which has the lowest yield strength from common materials.
const float standard_extruder_conflict_force = 20.0f * gravity_constant; // force that can occasionally push the model due to various factors (filament leaks, small curling, ... );
const float malformations_additive_conflict_extruder_force = 300.0f * gravity_constant; // for areas with possible high layered curled filaments
// MPa * 1e^6 = (g*mm/s^2)/mm^2 = g/(mm*s^2); yield strength of the bed surface
float get_bed_adhesion_yield_strength() const {
double get_bed_adhesion_yield_strength() const {
if (filament_type == "PLA") {
return 0.018f * 1e6f;
return 0.018 * 1e6;
} else if (filament_type == "PET" || filament_type == "PETG") {
return 0.3f * 1e6f;
return 0.3 * 1e6;
} else { //PLA default value - defensive approach, PLA has quite low adhesion
return 0.018f * 1e6f;
return 0.018 * 1e6;
}
}
//just return PLA adhesion value as value for supports
float get_support_spots_adhesion_strength() const {
return 0.018f * 1e6f;
double get_support_spots_adhesion_strength() const {
return 0.018f * 1e6;
}
};
struct SupportPoint {
SupportPoint(const Vec3f &position, float force, const Vec3f &direction);
SupportPoint(const Vec3f &position, float force, float spot_radius, const Vec3f &direction);
Vec3f position;
float force;
float spot_radius;
Vec3f direction;
};