diff --git a/libs/geom/include/psemek/geom/box.hpp b/libs/geom/include/psemek/geom/box.hpp
index e0acf4fe..636d1165 100644
--- a/libs/geom/include/psemek/geom/box.hpp
+++ b/libs/geom/include/psemek/geom/box.hpp
@@ -49,6 +49,14 @@ namespace psemek::geom
 			return result;
 		}
 
+		geom::vector<T, N> dimensions() const
+		{
+			geom::vector<T, N> result;
+			for (std::size_t i = 0; i < N; ++i)
+				result[i] = axes[i].length();
+			return result;
+		}
+
 		point_type center() const
 		{
 			point_type p;