--- a/src/gui_editactions.cpp Thu May 16 22:59:10 2013 +0300 +++ b/src/gui_editactions.cpp Fri May 17 03:11:47 2013 +0300 @@ -542,7 +542,7 @@ std::vector<LDObject*> sel = g_win->sel (); vertex origin; std::vector<vertex*> queue; - const double angle = (pi * currentGrid ().confs[Grid::Angle]->value) / 360; + const double angle = (pi * currentGrid ().confs[Grid::Angle]->value) / 180; // ref: http://en.wikipedia.org/wiki/Transformation_matrix#Rotation_2 const double cosangle = cos (angle),