diff --git a/src/libslic3r/LayerRegion.cpp b/src/libslic3r/LayerRegion.cpp
index 50932c3e5e8..3b070c6e77b 100644
--- a/src/libslic3r/LayerRegion.cpp
+++ b/src/libslic3r/LayerRegion.cpp
@@ -297,8 +297,8 @@ static void perimeter_texture_accumulate_path_image_weights_for_path(const Extru
 
     const double pitch_scaled = std::max(1.0, double(scale_(context.high_resolution_texture_sampling ? 0.08 : 0.16)));
     for (size_t idx = 1; idx < path.polyline.points.size(); ++idx) {
-        const Point &a = path.polyline.points[idx - 1];
-        const Point &b = path.polyline.points[idx];
+        const Point3 &a = path.polyline.points[idx - 1];
+        const Point3 &b = path.polyline.points[idx];
         const double dx = double(b.x()) - double(a.x());
         const double dy = double(b.y()) - double(a.y());
         const double len = std::hypot(dx, dy);
@@ -1853,7 +1853,7 @@ static void perimeter_texture_append_recolor_path_piece(std::vector<PerimeterTex
         unscale<double>(polyline.length()) + unscale<double>(std::max<double>(1.0, double(SCALED_EPSILON))) <
             2.0 * double(source.width))
         extruder_override = -1;
-    ExtrusionPath *path = new ExtrusionPath(std::move(polyline), source);
+    ExtrusionPath *path = new ExtrusionPath(Polyline3(std::move(polyline)), source);
     path->inset_idx = source.inset_idx;
     pieces.push_back(PerimeterTextureRecolorEntityPiece{ extruder_override, path });
 }
@@ -1958,8 +1958,8 @@ static bool perimeter_texture_split_path_by_recolor_masks(const ExtrusionPath
     bool saw_override = false;
 
     for (size_t idx = 1; idx < path.polyline.points.size(); ++idx) {
-        const Point &a = path.polyline.points[idx - 1];
-        const Point &b = path.polyline.points[idx];
+        const Point a = path.polyline.points[idx - 1].to_point();
+        const Point b = path.polyline.points[idx].to_point();
         if (a == b)
             continue;
         saw_segment = true;
@@ -2847,6 +2847,11 @@ void LayerRegion::make_perimeters(const SurfaceCollection &slices, const LayerRe
         (this->layer()->id() >= size_t(region_config.bottom_shell_layers.value) &&
          this->layer()->print_z >= region_config.bottom_shell_thickness - EPSILON);
 
+    // ImageMap: outer-wall widths used by the texture/contoning perimeter paths.
+    const float texture_external_width_mm =
+        std::max(0.05f, float(print_config.texture_mapping_outer_wall_gradient_max_line_width.value));
+    const float normal_external_width_mm = std::max(0.05f, float(this->flow(frExternalPerimeter).width()));
+
     double model_rotation_rad = 0.0;
     if (region_config.align_infill_direction_to_model) {
         auto m = this->layer()->object()->trafo().matrix();
@@ -2990,6 +2995,7 @@ void LayerRegion::make_perimeters(const SurfaceCollection &slices, const LayerRe
             &this->layer()->object()->config(),
             &print_config,
             spiral_mode,
+            model_rotation_rad,
 
             // output:
             &this->perimeters,