diff --git a/DiffractionGratings/grating3D.geo b/DiffractionGratings/grating3D.geo
index 36d3e59a1209d48cdf8f48129f2f6b9671f33309..c992df75a5778cbb35873d0422c62f5d2eec15e3 100644
--- a/DiffractionGratings/grating3D.geo
+++ b/DiffractionGratings/grating3D.geo
@@ -291,9 +291,11 @@ For k In {0:8}
 EndFor
 
 
-If (tag_geom==3) // Split U weird otherwise
-  Mesh.Algorithm = 6;
-EndIf
+// If (tag_geom==3) // Split U weird otherwise
+//   Mesh.Algorithm = 6;
+// EndIf
+
+
 // Mesh.SurfaceEdges = 0;
 Mesh.VolumeEdges = 0;
 Mesh.ElementOrder = og;
diff --git a/DiffractionGratings/grating3D_data.geo b/DiffractionGratings/grating3D_data.geo
index a82fe6fa03d1b162d166a874ec69739a7df6016c..c68d152ccb3f96b1a44ba49f79d034d2a644c338 100644
--- a/DiffractionGratings/grating3D_data.geo
+++ b/DiffractionGratings/grating3D_data.geo
@@ -1,6 +1,6 @@
 
 DefineConstant[
-  test_case = {"U",
+  skewed_lattice = {"skewed_lattice",
     Name "1Geometry",
     Choices {"half_ellipsoid", "hole", "pyramid", "U", "bi_sinusoidal", "retrieve_2D_lamellar", "nanowire_solarcell", "convergence", "skewed_lattice"},
     GmshOption "Reset", Autocheck 0