diff --git a/include/SupportInfillPart.h b/include/SupportInfillPart.h
index 1767847cb7..354e37fe73 100644
--- a/include/SupportInfillPart.h
+++ b/include/SupportInfillPart.h
@@ -33,7 +33,7 @@ class SupportInfillPart
                                                                             //   for infill_areas[x][n], x means the density level and n means the thickness
     std::vector<VariableWidthLines> wall_toolpaths; //!< Any walls go here, not in the areas, where they could be combined vertically (don't combine walls). Binned by inset_idx.
 
-    coord_t custom_line_distance;
+    coord_t custom_line_distance; //!< The distance between support infill lines. 0 means use the default line distance instead.
     bool use_fractional_config; //!< Request to use the configuration used to fill a partial layer height here, instead of the normal full layer height configuration.
 
     SupportInfillPart(const PolygonsPart& outline, coord_t support_line_width, bool use_fractional_config, int inset_count_to_generate = 0, coord_t custom_line_distance = 0);
diff --git a/include/sliceDataStorage.h b/include/sliceDataStorage.h
index 6db1cd605a..e4cef05de3 100644
--- a/include/sliceDataStorage.h
+++ b/include/sliceDataStorage.h
@@ -236,6 +236,7 @@ class SupportLayer
      * \param wall_line_count Wall-line count around the fill.
      * \param grow_layer_above (optional, default to 0) In cases where support shrinks per layer up, an appropriate offset may be nescesary.
      * \param unionAll (optional, default to false) Wether to 'union all' for the split into parts bit.
+     * \param custom_line_distance (optional, default to 0) Distance between lines of the infill pattern. custom_line_distance of 0 means use the default instead.
      */
     void fillInfillParts(
         const LayerIndex layer_nr,
@@ -243,7 +244,8 @@ class SupportLayer
         const coord_t support_line_width,
         const coord_t wall_line_count,
         const coord_t grow_layer_above = 0,
-        const bool unionAll = false);
+        const bool unionAll = false,
+        const coord_t custom_line_distance = 0);
 };
 
 class SupportStorage
diff --git a/src/FffGcodeWriter.cpp b/src/FffGcodeWriter.cpp
index a42d12889d..e9694634f8 100644
--- a/src/FffGcodeWriter.cpp
+++ b/src/FffGcodeWriter.cpp
@@ -929,9 +929,35 @@ void FffGcodeWriter::processRaft(const SliceDataStorage& storage)
             skip_some_zags,
             zag_skip_count,
             pocket_size);
+
         std::vector<VariableWidthLines> raft_paths; // Should remain empty, since we have no walls.
         infill_comp.generate(raft_paths, raft_polygons, raft_lines, surface_settings, layer_nr, SectionType::ADHESION);
-        gcode_layer.addLinesByOptimizer(raft_lines, gcode_layer.configs_storage.raft_surface_config, SpaceFillType::Lines, false, 0, 1.0, last_planned_position);
+
+        const auto wipe_dist = 0;
+        const auto spiralize = false;
+        const auto flow_ratio = 1.0_r;
+        const auto enable_travel_optimization = false;
+        const auto always_retract = false;
+        const auto reverse_order = false;
+
+        gcode_layer.addLinesByOptimizer(
+            raft_lines,
+            gcode_layer.configs_storage.raft_surface_config,
+            SpaceFillType::Lines,
+            enable_travel_optimization,
+            wipe_dist,
+            flow_ratio,
+            last_planned_position);
+        gcode_layer.addPolygonsByOptimizer(
+            raft_polygons,
+            gcode_layer.configs_storage.raft_surface_config,
+            ZSeamConfig(),
+            wipe_dist,
+            spiralize,
+            flow_ratio,
+            always_retract,
+            reverse_order,
+            gcode_layer.getLastPlannedPositionOrStartingPosition());
 
         raft_polygons.clear();
         raft_lines.clear();
diff --git a/src/TreeSupportTipGenerator.cpp b/src/TreeSupportTipGenerator.cpp
index 094a819544..8227a3b001 100644
--- a/src/TreeSupportTipGenerator.cpp
+++ b/src/TreeSupportTipGenerator.cpp
@@ -1165,7 +1165,7 @@ void TreeSupportTipGenerator::generateTips(
                 if (use_fake_roof)
                 {
                     storage.support.supportLayers[layer_idx]
-                        .fillInfillParts(layer_idx, support_roof_drawn, config.support_line_width, support_roof_line_distance, config.maximum_move_distance);
+                        .fillInfillParts(layer_idx, support_roof_drawn, config.support_line_width, 0, config.maximum_move_distance, false, support_roof_line_distance);
                     placed_support_lines_support_areas[layer_idx].add(TreeSupportUtils::generateSupportInfillLines(
                                                                           support_roof_drawn[layer_idx],
                                                                           config,
diff --git a/src/sliceDataStorage.cpp b/src/sliceDataStorage.cpp
index 0dddecb5b7..03cd345f01 100644
--- a/src/sliceDataStorage.cpp
+++ b/src/sliceDataStorage.cpp
@@ -721,7 +721,8 @@ void SupportLayer::fillInfillParts(
     const coord_t support_line_width,
     const coord_t wall_line_count,
     const coord_t grow_layer_above /*has default 0*/,
-    const bool unionAll /*has default false*/)
+    const bool unionAll /*has default false*/,
+    const coord_t custom_line_distance /*has default 0*/)
 {
     const Polygons& support_this_layer = support_fill_per_layer[layer_nr];
     const Polygons& support_layer_above
@@ -732,7 +733,7 @@ void SupportLayer::fillInfillParts(
     {
         for (const PolygonsPart& island_outline : support_areas.splitIntoParts(unionAll))
         {
-            support_infill_parts.emplace_back(island_outline, support_line_width, use_fractional_config, wall_line_count);
+            support_infill_parts.emplace_back(island_outline, support_line_width, use_fractional_config, wall_line_count, custom_line_distance);
         }
         use_fractional_config = false;
     }