diff --git a/src/DotRecast.Recast.Demo/Tools/TileTool.cs b/src/DotRecast.Recast.Demo/Tools/TileTool.cs
index 7d13215..05d93bd 100644
--- a/src/DotRecast.Recast.Demo/Tools/TileTool.cs
+++ b/src/DotRecast.Recast.Demo/Tools/TileTool.cs
@@ -1,14 +1,17 @@
-using DotRecast.Core;
+using System;
+using DotRecast.Core;
 using DotRecast.Recast.Demo.Draw;
 using DotRecast.Recast.DemoTool;
 using DotRecast.Recast.DemoTool.Tools;
 using ImGuiNET;
+using Serilog;
 using static DotRecast.Recast.Demo.Draw.DebugDraw;
 
 namespace DotRecast.Recast.Demo.Tools;
 
 public class TileTool : IRcTool
 {
+    private static readonly ILogger Logger = Log.ForContext<TileTool>();
     private readonly TileToolImpl _impl;
 
     private bool _hitPosSet;
@@ -58,7 +61,8 @@ public class TileTool : IRcTool
         }
         else
         {
-            _impl.BuildTile(_hitPos);
+            _impl.BuildTile(_hitPos, out var tileBuildTicks, out var tileTriCount, out var tileMemUsage);
+            Logger.Information($"{tileBuildTicks / (float)TimeSpan.TicksPerMillisecond}ms / {tileTriCount}Tris / {tileMemUsage}kB ");
         }
     }
 
@@ -80,7 +84,7 @@ public class TileTool : IRcTool
 
             var settings = sample.GetSettings();
             var s = settings.agentRadius;
-            
+
             float ts = settings.tileSize * settings.cellSize;
             int tx = (int)((_hitPos.x - bmin[0]) / ts);
             int ty = (int)((_hitPos.z - bmin[2]) / ts);
@@ -101,6 +105,8 @@ public class TileTool : IRcTool
                 lastBuiltTileBmin.x, lastBuiltTileBmin.y, lastBuiltTileBmin.z,
                 lastBuiltTileBmax.x, lastBuiltTileBmax.y, lastBuiltTileBmax.z,
                 DuRGBA(255, 255, 255, 64), 1.0f);
+
+            // 표기
         }
     }
 
diff --git a/src/DotRecast.Recast.DemoTool/Builder/TileNavMeshBuilder.cs b/src/DotRecast.Recast.DemoTool/Builder/TileNavMeshBuilder.cs
index 246113a..f07d2b8 100644
--- a/src/DotRecast.Recast.DemoTool/Builder/TileNavMeshBuilder.cs
+++ b/src/DotRecast.Recast.DemoTool/Builder/TileNavMeshBuilder.cs
@@ -89,8 +89,8 @@ namespace DotRecast.Recast.DemoTool.Builder
             return navMesh;
         }
 
-        private List<DtMeshData> BuildMeshData(DemoInputGeomProvider geom, float cellSize, float cellHeight, float agentHeight,
-            float agentRadius, float agentMaxClimb, List<RecastBuilderResult> results)
+        public List<DtMeshData> BuildMeshData(DemoInputGeomProvider geom, float cellSize, float cellHeight, float agentHeight,
+            float agentRadius, float agentMaxClimb, IList<RecastBuilderResult> results)
         {
             // Add tiles to nav mesh
             List<DtMeshData> meshData = new List<DtMeshData>();
diff --git a/src/DotRecast.Recast.DemoTool/Tools/TileToolImpl.cs b/src/DotRecast.Recast.DemoTool/Tools/TileToolImpl.cs
index 0fcc072..0f11f3a 100644
--- a/src/DotRecast.Recast.DemoTool/Tools/TileToolImpl.cs
+++ b/src/DotRecast.Recast.DemoTool/Tools/TileToolImpl.cs
@@ -1,4 +1,7 @@
-using DotRecast.Core;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using DotRecast.Core;
 using DotRecast.Detour.TileCache;
 using DotRecast.Recast.DemoTool.Builder;
 
@@ -7,12 +10,12 @@ namespace DotRecast.Recast.DemoTool.Tools
     public class TileToolImpl : ISampleTool
     {
         private Sample _sample;
-        
+
         public string GetName()
         {
             return "Create Tiles";
         }
-        
+
         public void SetSample(Sample sample)
         {
             _sample = sample;
@@ -23,40 +26,84 @@ namespace DotRecast.Recast.DemoTool.Tools
             return _sample;
         }
 
-        public void BuildTile(RcVec3f pos)
+        public bool BuildTile(RcVec3f pos, out long tileBuildTicks, out int tileTriCount, out int tileMemUsage)
         {
             var settings = _sample.GetSettings();
             var geom = _sample.GetInputGeom();
             var navMesh = _sample.GetNavMesh();
 
+            tileBuildTicks = 0;
+            tileTriCount = 0;
+            tileMemUsage = 0;
+
             if (null == settings || null == geom || navMesh == null)
-                return;
-            
+                return false;
+
             float ts = settings.tileSize * settings.cellSize;
-            
-            var bmin = geom.GetMeshBoundsMin();
+
+            RcVec3f bmin = geom.GetMeshBoundsMin();
+            RcVec3f bmax = geom.GetMeshBoundsMax();
 
             int tx = (int)((pos.x - bmin[0]) / ts);
             int ty = (int)((pos.z - bmin[2]) / ts);
 
-            // var tnmb = new TileNavMeshBuilder();
-            // tnmb.BuildRecastResult(geom, settings.partitioning, )
+            RcConfig cfg = new RcConfig(
+                true,
+                settings.tileSize,
+                settings.tileSize,
+                RcConfig.CalcBorder(settings.agentRadius, settings.cellSize),
+                settings.partitioning,
+                settings.cellSize,
+                settings.cellHeight,
+                settings.agentMaxSlope,
+                settings.filterLowHangingObstacles,
+                settings.filterLedgeSpans,
+                settings.filterWalkableLowHeightSpans,
+                settings.agentHeight,
+                settings.agentRadius,
+                settings.agentMaxClimb,
+                settings.minRegionSize * settings.minRegionSize * settings.cellSize * settings.cellSize,
+                settings.mergedRegionSize * settings.mergedRegionSize * settings.cellSize * settings.cellSize,
+                settings.edgeMaxLen,
+                settings.edgeMaxError,
+                settings.vertsPerPoly,
+                true,
+                settings.detailSampleDist,
+                settings.detailSampleMaxError,
+                SampleAreaModifications.SAMPLE_AREAMOD_WALKABLE
+            );
 
-            //var tileRef = navMesh.GetTileRefAt(tx, ty, 0);
-            // navMesh.RemoveTile(tileRef); 
+            var rb = new RecastBuilder();
+            var result = rb.BuildTile(geom, cfg, bmin, bmax, tx, ty, new RcAtomicInteger(0), 1);
+
+            var tb = new TileNavMeshBuilder();
+            var meshData = tb.BuildMeshData(geom,
+                settings.cellSize, settings.cellHeight, settings.agentHeight, settings.agentRadius, settings.agentMaxClimb,
+                ImmutableArray.Create(result)
+            ).First();
+
+            navMesh.UpdateTile(meshData, 0);
+
+
+            var telemetry = result.GetTelemetry();
+            tileBuildTicks = telemetry.ToList().Sum(x => x.Ticks);
+            tileTriCount = 0; // ...
+            tileMemUsage = 0; // ...
+
+            return true;
         }
 
-        public void RemoveTile(RcVec3f pos)
+        public bool RemoveTile(RcVec3f pos)
         {
             var settings = _sample.GetSettings();
             var geom = _sample.GetInputGeom();
             var navMesh = _sample.GetNavMesh();
-            
+
             if (null == settings || null == geom || navMesh == null)
-                return;
-            
+                return false;
+
             float ts = settings.tileSize * settings.cellSize;
-            
+
             var bmin = geom.GetMeshBoundsMin();
 
             int tx = (int)((pos.x - bmin[0]) / ts);
@@ -64,6 +111,8 @@ namespace DotRecast.Recast.DemoTool.Tools
 
             var tileRef = navMesh.GetTileRefAt(tx, ty, 0);
             navMesh.RemoveTile(tileRef);
+
+            return true;
         }
     }
 }
\ No newline at end of file
diff --git a/src/DotRecast.Recast/RecastBuilder.cs b/src/DotRecast.Recast/RecastBuilder.cs
index 0cd1a1e..d4ca210 100644
--- a/src/DotRecast.Recast/RecastBuilder.cs
+++ b/src/DotRecast.Recast/RecastBuilder.cs
@@ -143,7 +143,7 @@ namespace DotRecast.Recast
             return Task.WhenAll(tasks.ToArray());
         }
 
-        private RecastBuilderResult BuildTile(IInputGeomProvider geom, RcConfig cfg, RcVec3f bmin, RcVec3f bmax, int tx,
+        public RecastBuilderResult BuildTile(IInputGeomProvider geom, RcConfig cfg, RcVec3f bmin, RcVec3f bmax, int tx,
             int ty, RcAtomicInteger counter, int total)
         {
             RecastBuilderResult result = Build(geom, new RecastBuilderConfig(cfg, bmin, bmax, tx, ty));