diff -r e22cba39230a -r f7151e4cd90f src/toolsets/movetoolset.cpp
--- a/src/toolsets/movetoolset.cpp	Mon Mar 06 00:41:13 2017 +0200
+++ b/src/toolsets/movetoolset.cpp	Mon Mar 06 00:43:43 2017 +0200
@@ -146,32 +146,32 @@
 
 void MoveToolset::rotateXPos()
 {
-	math()->rotateObjects (1, 0, 0, getRotateActionAngle(), selectedObjects().toList().toVector());
+	MathFunctions::rotateObjects (1, 0, 0, getRotateActionAngle(), selectedObjects().toList().toVector());
 }
 
 void MoveToolset::rotateYPos()
 {
-	math()->rotateObjects (0, 1, 0, getRotateActionAngle(), selectedObjects().toList().toVector());
+	MathFunctions::rotateObjects (0, 1, 0, getRotateActionAngle(), selectedObjects().toList().toVector());
 }
 
 void MoveToolset::rotateZPos()
 {
-	math()->rotateObjects (0, 0, 1, getRotateActionAngle(), selectedObjects().toList().toVector());
+	MathFunctions::rotateObjects (0, 0, 1, getRotateActionAngle(), selectedObjects().toList().toVector());
 }
 
 void MoveToolset::rotateXNeg()
 {
-	math()->rotateObjects (-1, 0, 0, getRotateActionAngle(), selectedObjects().toList().toVector());
+	MathFunctions::rotateObjects (-1, 0, 0, getRotateActionAngle(), selectedObjects().toList().toVector());
 }
 
 void MoveToolset::rotateYNeg()
 {
-	math()->rotateObjects (0, -1, 0, getRotateActionAngle(), selectedObjects().toList().toVector());
+	MathFunctions::rotateObjects (0, -1, 0, getRotateActionAngle(), selectedObjects().toList().toVector());
 }
 
 void MoveToolset::rotateZNeg()
 {
-	math()->rotateObjects (0, 0, -1, getRotateActionAngle(), selectedObjects().toList().toVector());
+	MathFunctions::rotateObjects (0, 0, -1, getRotateActionAngle(), selectedObjects().toList().toVector());
 }
 
 void MoveToolset::configureRotationPoint()