diff --git a/wrap/io_trimesh/export_u3d.h b/wrap/io_trimesh/export_u3d.h
index 2b295e04..df04f493 100644
--- a/wrap/io_trimesh/export_u3d.h
+++ b/wrap/io_trimesh/export_u3d.h
@@ -5,6 +5,7 @@
 #include <string>
 #include <QDir.h>
 #include<QString.h>
+#include <QProcess.h>
 
 #include "export_idtf.h"
 
@@ -18,43 +19,61 @@ class ExporterU3D
 private:
 
 #ifdef WIN32
-	static void InvokeConverter(const QString& input_idtf,const QString& output_u3d)
+	static void InvokeConverter(const QString& converter_path,const QString& input_idtf,const QString& output_u3d)
 	{
-		system(("IDTFConverter.exe -input " + input_idtf + " -output " + output_u3d ).toAscii());
+		QProcess p;
+		
+		p.start(converter_path + "IDTFConverter.exe -input " + input_idtf + " -output " + output_u3d);
+		//wait for two minutes
+		bool t = p.waitForFinished(120000);
+		p.close();
 	}
 
 #else
 	#ifdef LINUX
 
-		static void InvokeConverter(const QString& input_idtf,const QString& output_u3d)
+		static void InvokeConverter(const char* converter_path,const QString& input_idtf,const QString& output_u3d)
 		{
-			system(("IDTFConverter.exe -input " + input_idtf + " -output " + output_u3d ).toAscii()));
+			p.start(converter_path + "IDTFConverter.exe -input " + input_idtf + " -output " + output_u3d);
+			//wait for two minutes
+			bool t = p.waitForFinished(120000);
+			p.close();
 		}
 
 	#endif
 #endif
 
+	static void SaveLatex(SaveMeshType& m,const QString& file)
+	{
+		Output_File latex(file.toStdString() + ".tex");
+		QString u3df = file + ".u3d";
+		latex.write(0,"\\\begin{document}");
+		latex.write(0,"\\includemovie[");
+		latex.write(1,"poster,");
+		latex.write(1,"toolbar, %same as `controls\'");
+		latex.write(1,"label=" + file.toStdString() + ",");
+		latex.write(1,"text=(" + u3df.toStdString() + "),");
+		latex.write(1,"3Daac=60, 3Dcoo=-3.382026195526123 -63.33322525024414 -3.2237343788146973, 3Droo=1.4597717633624103,");
+		latex.write(1,"3Dlights=File,");
+		latex.write(0,"]{\\linewidth}{\\linewidth}{" + u3df.toStdString() + "}");
+		latex.write(0,"\\end{document}");
+	}
 
 public:
 	
-	static void Save(SaveMeshType& m,const char* outputfile,const int mask)
+	static void Save(SaveMeshType& m,const char* outputfile,const int mask,const char* converter_path)
 	{
-		QDir dir;
-		
-		if (!dir.mkdir("__tmp_dir")) return;
-		else
-		{
-			QString curr = QDir::currentPath();
-			QString tmp(outputfile);
-			tmp = "__tmp_dir/" + tmp + ".idtf";
-			vcg::tri::io::ExporterIDTF<SaveMeshType>::Save(m,tmp.toAscii(),mask);
-			QDir::setCurrent("../../code/lib/U3D/Bin/Win32/Release");
-			InvokeConverter((curr + "/" + tmp).toAscii(),(curr + "/" + outputfile).toAscii());
-			QDir::setCurrent(curr);
-			dir.remove(tmp.toAscii());
-			dir.rmdir("__tmp_dir");
-		}
-
+		QString curr = QDir::currentPath();
+		QString tmp(QDir::tempPath());
+		tmp = tmp + "/" + outputfile + ".idtf";
+		vcg::tri::io::ExporterIDTF<SaveMeshType>::Save(m,qPrintable(tmp),mask);
+		InvokeConverter(converter_path,qPrintable(tmp),qPrintable(curr + "/" + outputfile));
+		QDir::setCurrent(curr);
+		QString lat (outputfile);
+		QStringList l = lat.split(".");
+		SaveLatex(m,l[0]);
+		QDir dir(QDir::tempPath());
+		dir.remove(tmp);
 	}
 };