diff --git a/ClassicalSharp/Map/ChunkMeshBuilder.cs b/ClassicalSharp/Map/ChunkMeshBuilder.cs
index 2cefe4fb5..20c964a54 100644
--- a/ClassicalSharp/Map/ChunkMeshBuilder.cs
+++ b/ClassicalSharp/Map/ChunkMeshBuilder.cs
@@ -190,7 +190,7 @@ namespace ClassicalSharp {
 							countIndex += TileSide.Top;
 							if( counts[countIndex] != 0 ) {
 								X = x; Y = y; Z = z;
-								AddSpriteVertices( tile, 1 );
+								AddSpriteVertices( tile );
 								counts[countIndex] = 1;
 							}
 						} else {
diff --git a/ClassicalSharp/Map/ChunkMeshBuilderTex2Col4.cs b/ClassicalSharp/Map/ChunkMeshBuilderTex2Col4.cs
index 9a52cb12a..9006f86ec 100644
--- a/ClassicalSharp/Map/ChunkMeshBuilderTex2Col4.cs
+++ b/ClassicalSharp/Map/ChunkMeshBuilderTex2Col4.cs
@@ -45,8 +45,9 @@ namespace ClassicalSharp {
 			public void ExpandToCapacity() {
 				vCount = iCount / 6 * 4;
 
-				if( vertices == null || (vCount + 1) > vertices.Length ) {
-					vertices = new VertexPos3fTex2fCol4b[vCount + 1];
+				if( vertices == null || (vCount + 2) > vertices.Length ) {
+					vertices = new VertexPos3fTex2fCol4b[vCount + 2]; 
+					// ensure buffer is up to 64 bits aligned for last element
 				}
 				vIndex.left = spriteCount / 6 * 4;
 				vIndex.right = vIndex.left + Count.left / 6 * 4;
@@ -94,7 +95,7 @@ namespace ClassicalSharp {
 			if( part.iCount == 0 ) return;
 			
 			ChunkPartInfo info;
-			info.VbId = graphics.CreateVb( part.vertices, VertexFormat.Pos3fTex2fCol4b, part.vCount + 1 );
+			info.VbId = graphics.CreateVb( part.vertices, VertexFormat.Pos3fTex2fCol4b, part.vCount + 2 );
 			info.IndicesCount = part.iCount;
 			info.leftCount = (ushort)part.Count.left; info.rightCount = (ushort)part.Count.right;
 			info.frontCount = (ushort)part.Count.front; info.backCount = (ushort)part.Count.back;
@@ -146,11 +147,11 @@ namespace ClassicalSharp {
 			}
 		}
 		
-		void AddSpriteVertices( byte tile, int count ) {
+		void AddSpriteVertices( byte tile ) {
 			int i = atlas.Get1DIndex( info.GetTextureLoc( tile, TileSide.Left ) );
 			DrawInfo part = drawInfoNormal[i];
-			part.spriteCount += 6 + 6 * count;
-			part.iCount += 6 + 6 * count;
+			part.spriteCount += 6 * 4;
+			part.iCount += 6 * 4;
 		}
 		
 		unsafe void AddVertices( byte tile, int count, int face ) {
@@ -287,16 +288,28 @@ namespace ClassicalSharp {
 			FastColour col = fullBright ? FastColour.White : (Y > map.heightmap[(Z * width) + X] ? map.Sunlight : map.Shadowlight);
 			
 			// Draw Z axis
-			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y, Z + 2.5f/16, u2, v2, col );
-			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y + blockHeight, Z + 2.5f/16, u2, v1, col );
-			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y + blockHeight, Z + 13.5f/16, u1, v1, col );
-			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y, Z + 13.5f/16, u1, v2, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y, Z + 2.5f/16, u1, v2, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y + blockHeight, Z + 2.5f/16, u1, v1, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y + blockHeight, Z + 13.5f/16, u2, v1, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y, Z + 13.5f/16, u2, v2, col );
 			
+			// Draw Z axis mirrored
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y, Z + 13.5f/16, u1, v2, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y + blockHeight, Z + 13.5f/16, u1, v1, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y + blockHeight, Z + 2.5f/16, u2, v1, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y, Z + 2.5f/16, u2, v2, col );
+
 			// Draw X axis
-			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y, Z + 13.5f/16, u1, v2, col );
-			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y + blockHeight, Z + 13.5f/16, u1, v1, col );
-			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y + blockHeight, Z + 2.5f/16, u2, v1, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y, Z + 13.5f/16, u2, v2, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y + blockHeight, Z + 13.5f/16, u2, v1, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y + blockHeight, Z + 2.5f/16, u1, v1, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y, Z + 2.5f/16, u1, v2, col );
+			
+			// Draw X axis mirrored
 			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y, Z + 2.5f/16, u2, v2, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 13.5f/16, Y + blockHeight, Z + 2.5f/16, u2, v1, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y + blockHeight, Z + 13.5f/16, u1, v1, col );
+			part.vertices[part.spriteIndex++] = new VertexPos3fTex2fCol4b( X + 2.50f/16, Y, Z + 13.5f/16, u1, v2, col );
 		}
 	}
 }
\ No newline at end of file
diff --git a/ClassicalSharp/Rendering/MapRenderer.Rendering.cs b/ClassicalSharp/Rendering/MapRenderer.Rendering.cs
index b4dc04a20..453c9b0a1 100644
--- a/ClassicalSharp/Rendering/MapRenderer.Rendering.cs
+++ b/ClassicalSharp/Rendering/MapRenderer.Rendering.cs
@@ -71,14 +71,16 @@ namespace ClassicalSharp {
 				ChunkPartInfo part = info.NormalParts[batch];
 				if( part.IndicesCount == 0 ) continue;
 				usedNormal[batch] = true;
-				if( part.IndicesCount > maxIndices ) {
+				if( part.IndicesCount > maxIndices )
 					DrawBigPart( info, ref part );
-				} else {
-					DrawPart( info, ref part );
-				}				
+				else
+					DrawPart( info, ref part );			
 				
-				if( part.spriteCount > 0 )
+				if( part.spriteCount > 0 ) {
+					api.FaceCulling = true;
 					api.DrawIndexedVb_TrisT2fC4b( part.spriteCount, 0 );
+					api.FaceCulling = false;
+				}
 				game.Vertices += part.IndicesCount;
 			}
 		}
diff --git a/ClassicalSharp/Rendering/MapRenderer.cs b/ClassicalSharp/Rendering/MapRenderer.cs
index 24d9b1ef4..1873ffb54 100644
--- a/ClassicalSharp/Rendering/MapRenderer.cs
+++ b/ClassicalSharp/Rendering/MapRenderer.cs
@@ -176,14 +176,13 @@ namespace ClassicalSharp {
 		
 		void CreateChunkCache() {
 			int index = 0;
-			for( int z = 0; z < length; z += 16 ) {
-				for( int y = 0; y < height; y += 16 ) {
-					for( int x = 0; x < width; x += 16 ) {
-						chunks[index] = new ChunkInfo( x, y, z );
-						unsortedChunks[index] = chunks[index];
-						index++;
-					}
-				}
+			for( int z = 0; z < length; z += 16 )
+				for( int y = 0; y < height; y += 16 )
+					for( int x = 0; x < width; x += 16 )
+			{
+				chunks[index] = new ChunkInfo( x, y, z );
+				unsortedChunks[index] = chunks[index];
+				index++;
 			}
 		}
 		
@@ -307,7 +306,7 @@ namespace ClassicalSharp {
 						info.Visible = inRange &&
 							game.Culling.SphereInFrustum( info.CentreX, info.CentreY, info.CentreZ, 14 ); // 14 ~ sqrt(3 * 8^2)
 					}
-				}		
+				}
 			}
 		}