diff --git a/CuraEngineInfillGenerate/tiles/cont_honeycomb.wkt b/CuraEngineInfillGenerate/tiles/cont_honeycomb.wkt
index fad619e..e9d32c2 100644
--- a/CuraEngineInfillGenerate/tiles/cont_honeycomb.wkt
+++ b/CuraEngineInfillGenerate/tiles/cont_honeycomb.wkt
@@ -1,3 +1,2 @@
-POLYGON ((866 2000, 1732 1500, 1732 500, 866 0, 0 500, 0 1500))
-LINESTRING (866 0, 166 404, 166 1595, 866 2000)
-LINESTRING (1830 404, 1834 404, 1834 1595)
+POLYGON ((866 2000, 1732 1500, 1732 500, 866 0, 0 500, 0 1500, 866 2000))
+MULTILINESTRING ((1334 404, 1334 1595), (866 0, 166 404, 166 1595, 866 2000))
diff --git a/include/infill/content_reader.h b/include/infill/content_reader.h
index ea71662..a22dd7b 100644
--- a/include/infill/content_reader.h
+++ b/include/infill/content_reader.h
@@ -36,6 +36,12 @@ std::tuple<std::vector<geometry::polyline<>>, std::vector<geometry::polygon_oute
             boost::geometry::read_wkt(line, linestring);
             linestrings.push_back(linestring);
         }
+        if (line.starts_with("MULTILINESTRING"))
+        {
+            boost::geometry::model::multi_linestring<geometry::polyline<>> multilinestring;
+            boost::geometry::read_wkt(line, multilinestring);
+            linestrings.insert(linestrings.end(), multilinestring.begin(), multilinestring.end());
+        }
         if (line.starts_with("POLYGON"))
         {
             geometry::polygon_outer<> polygon;
diff --git a/include/infill/geometry.h b/include/infill/geometry.h
index cdcff48..90622f6 100644
--- a/include/infill/geometry.h
+++ b/include/infill/geometry.h
@@ -42,7 +42,7 @@ static ClipperLib::IntPoint computeCoG(const auto& contour)
     return cog;
 }
 
-static ClipperLib::Paths clip(const auto& polys, const std::vector<geometry::polygon_outer<>>& outer_contours)
+static ClipperLib::Paths clip(const auto& polys, const bool& is_poly_closed, const std::vector<geometry::polygon_outer<>>& outer_contours)
 {
     ClipperLib::Clipper clipper;
     ClipperLib::Paths outline_poly;
@@ -50,18 +50,27 @@ static ClipperLib::Paths clip(const auto& polys, const std::vector<geometry::pol
     {
         outline_poly.push_back(poly);
     }
-    clipper.AddPaths(outline_poly, ClipperLib::PolyType::ptSubject, true);
+    clipper.AddPaths(outline_poly, ClipperLib::PolyType::ptClip, true);
 
     ClipperLib::Paths grid_poly;
     for (auto& poly : polys)
     {
         grid_poly.push_back(poly);
     }
-    clipper.AddPaths(grid_poly, ClipperLib::PolyType::ptClip, true);
+    clipper.AddPaths(grid_poly, ClipperLib::PolyType::ptSubject, is_poly_closed);
 
-    ClipperLib::Paths result;
-    clipper.Execute(ClipperLib::ClipType::ctIntersection, result);
-    return result;
+    ClipperLib::Paths ret;
+    if (! is_poly_closed)
+    {
+        ClipperLib::PolyTree result;
+        clipper.Execute(ClipperLib::ClipType::ctIntersection, result);
+        ClipperLib::OpenPathsFromPolyTree(result, ret);
+    }
+    else
+    {
+        clipper.Execute(ClipperLib::ClipType::ctIntersection, ret);
+    }
+    return ret;
 }
 
 } // namespace infill::geometry
diff --git a/include/infill/infill_generator.h b/include/infill/infill_generator.h
index 922b4a6..f7b9a0b 100644
--- a/include/infill/infill_generator.h
+++ b/include/infill/infill_generator.h
@@ -79,7 +79,7 @@ class InfillGenerator
 
         // Cut the grid with the outer contour using Clipper
         auto [lines, polys] = gridToPolygon(grid);
-        return { geometry::clip(lines, outer_contours), geometry::clip(polys, outer_contours) };
+        return { geometry::clip(lines, false, outer_contours), geometry::clip(polys, true, outer_contours) };
     }
 };