diff --git a/OpenNest.Engine/INestOptimizer.cs b/OpenNest.Engine/INestOptimizer.cs
index 42dce81..29fde8f 100644
--- a/OpenNest.Engine/INestOptimizer.cs
+++ b/OpenNest.Engine/INestOptimizer.cs
@@ -7,7 +7,7 @@ namespace OpenNest
     /// <summary>
     /// Result of a nest optimization run.
     /// </summary>
-    public class NestResult
+    public class OptimizationResult
     {
         /// <summary>
         /// The best sequence found: (drawingId, rotation, drawing) tuples in placement order.
@@ -31,7 +31,7 @@ namespace OpenNest
     /// </summary>
     public interface INestOptimizer
     {
-        NestResult Optimize(List<NestItem> items, Box workArea, NfpCache cache,
+        OptimizationResult Optimize(List<NestItem> items, Box workArea, NfpCache cache,
             Dictionary<int, List<double>> candidateRotations,
             CancellationToken cancellation = default);
     }
diff --git a/OpenNest.Engine/SimulatedAnnealing.cs b/OpenNest.Engine/SimulatedAnnealing.cs
index d2dc4b9..f36a08a 100644
--- a/OpenNest.Engine/SimulatedAnnealing.cs
+++ b/OpenNest.Engine/SimulatedAnnealing.cs
@@ -17,7 +17,7 @@ namespace OpenNest
         private const double DefaultMinTemperature = 0.1;
         private const int DefaultMaxNoImprovement = 500;
 
-        public NestResult Optimize(List<NestItem> items, Box workArea, NfpCache cache,
+        public OptimizationResult Optimize(List<NestItem> items, Box workArea, NfpCache cache,
             Dictionary<int, List<double>> candidateRotations,
             CancellationToken cancellation = default)
         {
@@ -28,7 +28,7 @@ namespace OpenNest
             var sequence = BuildInitialSequence(items, candidateRotations);
 
             if (sequence.Count == 0)
-                return new NestResult { Sequence = sequence, Score = default, Iterations = 0 };
+                return new OptimizationResult { Sequence = sequence, Score = default, Iterations = 0 };
 
             // Evaluate initial solution.
             var blf = new BottomLeftFill(workArea, cache);
@@ -105,7 +105,7 @@ namespace OpenNest
 
             Debug.WriteLine($"[SA] Done: {iteration} iters, best={bestScore.Count} parts, density={bestScore.Density:P1}");
 
-            return new NestResult
+            return new OptimizationResult
             {
                 Sequence = bestSequence,
                 Score = bestScore,