diff --git a/benchmarks/3d_large/Falcon/README.txt b/benchmarks/3d_large/Falcon/README.txt
index eb3850f17276095f3e746b3f833018ad3214063a..72358f9c722bb29f4ef6e56a2f065121df189eef 100644
--- a/benchmarks/3d_large/Falcon/README.txt
+++ b/benchmarks/3d_large/Falcon/README.txt
@@ -7,6 +7,7 @@ gmsh split.script - // splits the partitionned mesh into separate files
 
 // for the full falcon(s)
 
+gmsh CreateFullInitialMesh.geo -3 // generates the intial falcon boundary mesh
 gmsh fullfalcon_surface.script -   // generates remeshed falcon boundary mesh(es)
 gmsh fullfalcon_volume.script -    // generates volume mesh in box around falcon(s)
 gmsh partition.script -  // partitions the mesh and saves using new physicals
diff --git a/benchmarks/3d_large/choi.geo b/benchmarks/3d_large/choi.geo
index 5b78a0190d380c02b905ebb5931b39fc39a3fb6f..01b0ed45d967318ca13914fa8df4568640532a25 100644
--- a/benchmarks/3d_large/choi.geo
+++ b/benchmarks/3d_large/choi.geo
@@ -595,7 +595,7 @@ Point(390) = {-6.34,8,25.06,mc};
 Point(391) = {-5.17,8,23.00,mc};
 Point(392) = {-0.31,8,21.90,mc};
 
-Rotate{{0.0,1.0,0.0},{0.0,0.0,0.0},3.14159/2} {
+Rotate{{0.0,1.0,0.0},{0.0,0.0,0.0},-3.14159/2} {
   Duplicata { 
     Point{381}; Point{382}; Point{383}; Point{384}; Point{385}; 
     Point{386}; Point{387}; Point{388}; Point{389}; Point{390}; 
@@ -604,7 +604,7 @@ Rotate{{0.0,1.0,0.0},{0.0,0.0,0.0},3.14159/2} {
 }
 Coherence;
 
-Rotate{{0.0,1.0,0.0},{0.0,0.0,0.0},3.14159/2} {
+Rotate{{0.0,1.0,0.0},{0.0,0.0,0.0},-3.14159/2} {
   Duplicata { 
     Point{393}; Point{394}; Point{395}; Point{396}; Point{397}; 
     Point{398}; Point{399}; Point{400}; Point{401}; Point{402}; 
@@ -613,7 +613,7 @@ Rotate{{0.0,1.0,0.0},{0.0,0.0,0.0},3.14159/2} {
 }
 Coherence;
 
-Rotate{{0.0,1.0,0.0},{0.0,0.0,0.0},3.14159/2} {
+Rotate{{0.0,1.0,0.0},{0.0,0.0,0.0},-3.14159/2} {
   Duplicata { 
     Point{405}; Point{406}; Point{407}; Point{408}; Point{409}; 
     Point{410}; Point{411}; Point{412}; Point{413}; Point{414}; 
diff --git a/benchmarks/3d_large/magnetron/README.txt b/benchmarks/3d_large/magnetron/README.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a76ed4d1ed1842ac23b88905d6c8716c8d70f0d1
--- /dev/null
+++ b/benchmarks/3d_large/magnetron/README.txt
@@ -0,0 +1,13 @@
+There are three types of magnetron.
+
+
+To mesh them:
+
+1) gmsh magnetron0.geo -3
+
+2) gmsh magnetron1.geo -3
+   gmsh magnetron1-full.geo -3
+
+3) gmsh magnetron2.geo -3
+   gmsh magnetron2-full.geo -3
+