About this 3D model

I just have changed the parameters of the beautiful parametric thumbwheel by 67restomodder: http://www.thingiverse.com/thing:13807 The default parameters are for M3 nuts. In addition I have cleaned a little bit the code and changed the shape of the cutouts. More information (In spanish): http://www.iearobotics.com/wiki/index.php?title=Objeto_3D:_Ruedecilla_con_tuerca