diff -r 0347e9bc883e -r 5d2c9d36da9d src/model.cpp
--- a/src/model.cpp	Sat Mar 03 16:59:03 2018 +0200
+++ b/src/model.cpp	Sat Mar 03 17:25:12 2018 +0200
@@ -65,6 +65,8 @@
  */
 void Model::insertObject(int position, LDObject* object)
 {
+	connect(object, SIGNAL(codeChanged(QString,QString)), this, SLOT(recountTriangles()));
+
 	if (object->model() and object->model() != this)
 		object->model()->withdraw(object);