diff --git a/thermion_dart/lib/thermion_dart.dart b/thermion_dart/lib/thermion_dart.dart
index 9dfc2f26..de91b2e7 100644
--- a/thermion_dart/lib/thermion_dart.dart
+++ b/thermion_dart/lib/thermion_dart.dart
@@ -2,3 +2,4 @@ library filament_dart;
 
 export 'thermion_dart/thermion_viewer.dart';
 export 'thermion_dart/entities/entity_transform_controller.dart';
+export 'thermion_dart/utils/geometry.dart';