Make triangles next to sharp triangles irregular

QTProject/subdivision.cpp

@@ -1062,7 +1062,7 @@ void Subdivision::findRegular(QVector<Triangle> triangles, QMap<Triangle, Triang
         Triangle::Neighbors ns = neighbors.value(triangle);
 
         bool is_regular = true;
-        if (triangle.has_sharp_edge()){
+        if (triangle.has_sharp_edge() || ns.uv.triangle->has_sharp_edge() || ns.vw.triangle->has_sharp_edge() || ns.wu.triangle->has_sharp_edge()){
             is_regular = false;
         }
         if (!isVertexRegular(triangle, ns.uv, neighbors)) {