From 51b9d3864ad6aa5620d22c71c1e0a20231c92606 Mon Sep 17 00:00:00 2001
From: Guillaume Demesy <guillaume.demesy@fresnel.fr>
Date: Tue, 19 Nov 2019 20:17:06 +0100
Subject: [PATCH] Update README.txt

---
 DiffractionGratings/README.txt | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/DiffractionGratings/README.txt b/DiffractionGratings/README.txt
index d6d55d1..68eddaa 100644
--- a/DiffractionGratings/README.txt
+++ b/DiffractionGratings/README.txt
@@ -1,10 +1,16 @@
 Parametric model of diffraction gratings
 
-Quick start
------------
+Quick start 2D
+--------------
 
 Open `grating2D.pro' with Gmsh.
 
+Quick start 3D
+--------------
+
+To run the test cases, type in the command line :
+'gmsh grating3D.pro -setstring test_case hole'
+
 Additional info
 ---------------
 
-- 
GitLab