diff --git a/trianglepatterngeometry.cpp b/trianglepatterngeometry.cpp
index 0031a23..b189371 100755
--- a/trianglepatterngeometry.cpp
+++ b/trianglepatterngeometry.cpp
@@ -99,11 +99,15 @@ PatternGeometry PatternGeometry::createTile(PatternGeometry &pattern)
         vcg::tri::UpdatePosition<PatternGeometry>::Matrix(fan, R);
     }
     vcg::Matrix44d T;
-    const double centerAngle = 2 * M_PI / fanSize;
-    const double triangleHeight = std::sin((M_PI - centerAngle) / 2)
-                                  * PatternGeometry().triangleEdgeSize;
+    //    const double centerAngle = 2 * M_PI / fanSize;
+    //    const double triangleHeight = std::sin((M_PI - centerAngle) / 2)
+    //                                  * PatternGeometry().triangleEdgeSize;
+    vcg::tri::UpdateBounding<PatternGeometry>::Box(fan);
+    const double triangleHeight = fan.bbox.DimY() / 2;
     T.SetTranslate(0, -2 * triangleHeight, 0);
     vcg::tri::UpdatePosition<PatternGeometry>::Matrix(fan, T);
+    //    fan.registerForDrawing();
+    //    polyscope::show();
 
     PatternGeometry fanOfFan = createFan(fan);
     vcg::tri::Append<PatternGeometry, PatternGeometry>::Mesh(tile, fanOfFan);