diff --git a/OpenNest.Core/Plate.cs b/OpenNest.Core/Plate.cs
index 7c283280..e64c124d 100644
--- a/OpenNest.Core/Plate.cs
+++ b/OpenNest.Core/Plate.cs
@@ -1153,40 +1153,5 @@ namespace OpenNest
             return Parts.Where(p => !p.BaseDrawing.IsCutOff).Sum(part => part.BaseDrawing.Area)
                 / Area();
         }
-
-        public bool HasOverlappingParts(out List<Vector> pts)
-        {
-            pts = new List<Vector>();
-            var realParts = Parts.Where(p => !p.BaseDrawing.IsCutOff).ToList();
-
-            for (var i = 0; i < realParts.Count; i++)
-            {
-                var part1 = realParts[i];
-                var b1 = part1.BoundingBox;
-
-                for (var j = i + 1; j < realParts.Count; j++)
-                {
-                    var part2 = realParts[j];
-                    var b2 = part2.BoundingBox;
-
-                    // Skip pairs whose bounding boxes don't meaningfully overlap.
-                    // Floating-point rounding can produce sub-epsilon overlaps for
-                    // parts that are merely edge-touching, so require the overlap
-                    // region to exceed Epsilon in both dimensions.
-                    var overlapX =
-                        System.Math.Min(b1.Right, b2.Right) - System.Math.Max(b1.Left, b2.Left);
-                    var overlapY =
-                        System.Math.Min(b1.Top, b2.Top) - System.Math.Max(b1.Bottom, b2.Bottom);
-
-                    if (overlapX <= Math.Tolerance.Epsilon || overlapY <= Math.Tolerance.Epsilon)
-                        continue;
-
-                    if (part1.Intersects(part2, out var pts2))
-                        pts.AddRange(pts2);
-                }
-            }
-
-            return pts.Count > 0;
-        }
     }
 }
diff --git a/OpenNest.Tests/Strategies/StrategyOverlapTests.cs b/OpenNest.Tests/Strategies/StrategyOverlapTests.cs
index a5f01b17..e0151ac0 100644
--- a/OpenNest.Tests/Strategies/StrategyOverlapTests.cs
+++ b/OpenNest.Tests/Strategies/StrategyOverlapTests.cs
@@ -85,13 +85,14 @@ public class StrategyOverlapTests
             foreach (var g in rotGroups)
                 _output.WriteLine($"  Rotation {g.Key:F1}°: {g.Count()} parts");
 
-            var hasOverlaps = plate.HasOverlappingParts(out var pts);
-            _output.WriteLine($"  Overlaps: {hasOverlaps} ({pts.Count} collision pts)");
+            var pairs = PartOverlapChecker.FindOverlappingPairs(plate.Parts);
+            var hasOverlaps = pairs.Count > 0;
+            _output.WriteLine($"  Overlaps: {hasOverlaps} ({pairs.Count} overlapping pairs)");
 
             if (hasOverlaps)
             {
                 failures.Add(
-                    $"{strategy.GetType().Name} ({strategy.Phase}): {pts.Count} collision pts, {count} parts"
+                    $"{strategy.GetType().Name} ({strategy.Phase}): {pairs.Count} overlapping pairs, {count} parts"
                 );
 
                 // Show overlapping pair details
diff --git a/OpenNest.Tests/Strategies/StripeFillerTests.cs b/OpenNest.Tests/Strategies/StripeFillerTests.cs
index 954ed64e..2f0e1069 100644
--- a/OpenNest.Tests/Strategies/StripeFillerTests.cs
+++ b/OpenNest.Tests/Strategies/StripeFillerTests.cs
@@ -178,7 +178,7 @@ public class StripeFillerTests
         if (parts.Count > 0)
         {
             plate.Parts.AddRange(parts);
-            var hasOverlaps = plate.HasOverlappingParts(out _);
+            var hasOverlaps = PartOverlapChecker.FindOverlappingPairs(plate.Parts).Count > 0;
             Assert.False(hasOverlaps, "Stripe fill should not produce overlapping parts");
         }
     }
@@ -211,7 +211,7 @@ public class StripeFillerTests
         if (parts.Count > 0)
         {
             plate.Parts.AddRange(parts);
-            var hasOverlaps = plate.HasOverlappingParts(out _);
+            var hasOverlaps = PartOverlapChecker.FindOverlappingPairs(plate.Parts).Count > 0;
             Assert.False(hasOverlaps, "Column fill should not produce overlapping parts");
         }
     }
@@ -244,7 +244,7 @@ public class StripeFillerTests
         Assert.InRange(capped.Count, 6, full.Count - 1);
         var plate = new Plate(60, 120) { PartSpacing = 0.5 };
         plate.Parts.AddRange(capped);
-        Assert.False(plate.HasOverlappingParts(out _), "Capped stripe fill overlaps");
+        Assert.Empty(PartOverlapChecker.FindOverlappingPairs(plate.Parts));
     }
 
     [Fact]