diff --git a/data/gmsh.3D.geo b/data/gmsh.3D.geo
index 95edf0d..7871f4b 100644
--- a/data/gmsh.3D.geo
+++ b/data/gmsh.3D.geo
@@ -1,7 +1,7 @@
-Point(0) = {0, 0, 0, 1};
-Point(1) = {1, 0, 0, 1};
-Point(2) = {1, 1, 0, 1};
-Point(3) = {0, 1, 0, 1};
+Point(0) = {0, 0, 0, 0.1};
+Point(1) = {1, 0, 0, 0.1};
+Point(2) = {1, 1, 0, 0.1};
+Point(3) = {0, 1, 0, 0.1};
 Line(1) = {0, 1};
 Line(2) = {1, 2};
 Line(3) = {2, 3};