--- /dev/null
+\documentclass{article}
+%% compiler avec lualatex
+\usepackage[margin=2.5cm]{geometry}
+\usepackage{luamesh}
+\usepackage{fontspec}
+\usepackage{multido}
+\pagestyle{empty}
+\begin{document}
+
+\buildMesh[print=points, meshpoint = I, color=red]{(0,0);(3.5,3);(7,0);(7.5,5);(1.61,3.14);(3,1);(6,1.5)}
+
+\buildMesh[tikz, bbox = show]{(0,0);(3.5,3);(7,0);(7.5,5);(1.61,3.14);(3,1);(6,1.5)}
+
+\buildMesh[mode=ext]{mesh.txt}
+
+\meshAddOnePoint[
+meshpoint = x,
+colorNew =green!20!red,
+colorBack=red!10,
+colorCircle = green!70,
+scale=0.6cm]
+{(0,0);(3.5,3);(7,0);(7.5,5);(1.61,3.14);(6,4)}{(3,1)}
+\meshAddOnePoint[
+meshpoint = x,
+colorBack=red!10,
+colorNew = green!20!red,
+scale=0.6cm,
+step=cavity]
+{(0,0);(3.5,3);(7,0);(7.5,5);(1.61,3.14);(6,4)}{(3,1)}
+\meshAddOnePoint[
+meshpoint = x,
+colorBack=red!10,
+colorNew = green!20!red,
+scale=0.6cm,
+step=newtriangles,
+newpoint = y
+]
+{(0,0);(3.5,3);(7,0);(7.5,5);(1.61,3.14);(6,4)}{(3,1)}
+
+\multido{\ii=5+1}{3}{%
+ \newpage
+ \meshAddOnePoint[mode=ext,step=badtriangles]{mesh.txt}{\ii}
+ \newpage
+ \meshAddOnePoint[mode=ext,step=cavity]{mesh.txt}{\ii}
+ \newpage
+ \meshAddOnePoint[mode=ext,step=newtriangles]{mesh.txt}{\ii}
+}
+
+
+
+\end{document}