diff -r 22bc5862cb56 -r 0d6162662040 src/widgets/matrixeditor.cpp
--- a/src/widgets/matrixeditor.cpp	Sun Jun 17 17:07:29 2018 +0300
+++ b/src/widgets/matrixeditor.cpp	Tue Jun 19 21:49:21 2018 +0300
@@ -176,9 +176,10 @@
 		(float) ui.positionX->value(),
 		(float) ui.positionY->value(),
 		(float) ui.positionZ->value(),
-		0.0f
+		1.0f
 	};
 	transformationMatrix.setColumn(3, translation);
+	transformationMatrix.optimize();
 	return transformationMatrix;
 }