Store CalibPressureAdvancePattern with model

src/libslic3r/Model.hpp

@@ -12,6 +12,7 @@
 #include "SLA/Hollowing.hpp"
 #include "TriangleMesh.hpp"
 #include "CustomGCode.hpp"
+#include "calib.hpp"
 #include "enum_bitmask.hpp"
 
 //BBS: add bbs 3mf
@@ -1608,6 +1609,8 @@ public:
     // Checks if any of objects is painted using the multi-material painting gizmo.
     bool          is_mm_painted() const;
 
+    std::unique_ptr<CalibPressureAdvancePattern> calib_pa_pattern;
+
 private:
     explicit Model(int) : ObjectBase(-1)
         {

src/slic3r/GUI/Plater.cpp

@@ -8181,6 +8181,7 @@ void Plater::_calib_pa_pattern(const Calib_Params& params)
     wxGetApp().get_tab(Preset::TYPE_FILAMENT)->reload_config();
 
     model().plates_custom_gcodes[model().curr_plate_index] = pa_pattern.generate_gcodes();
+    model().calib_pa_pattern = std::make_unique<CalibPressureAdvancePattern>(pa_pattern);
 }
 
 void Plater::_calib_pa_tower(const Calib_Params& params) {