diff --git a/plots/resolution.3D.gmsh.out b/plots/resolution.3D.gmsh.out
new file mode 100644
index 0000000..23e2cdd
--- /dev/null
+++ b/plots/resolution.3D.gmsh.out
@@ -0,0 +1,3 @@
+0.0454730588061  0.000214779089741 7.38934716129e-05 1.41791618738e-05 3.86414745401e-06
+0.00997060697355 1.77866400479e-06 1.42892679232e-07 1.01412678674e-08 6.64644538372e-10
+0.00461278449044 1.76222798245e-07 1.43900476376e-08 3.24157996636e-10 9.90535684124e-12
diff --git a/plots/resolution.3D.gmsh.plt b/plots/resolution.3D.gmsh.plt
new file mode 100644
index 0000000..646b539
--- /dev/null
+++ b/plots/resolution.3D.gmsh.plt
@@ -0,0 +1,17 @@
+set terminal postscript enhanced
+
+# hello world
+
+set log xy
+set key right bottom
+
+set xrange [0.004:0.055]
+
+set xlabel "Mesh Spacing"
+set ylabel "RMS of error"
+
+plot './resolution.3D.gmsh.out' \
+             u 1:2 t "{/Symbol n} = 2" w l,\
+          "" u 1:3 t "{/Symbol n} = 3" w l,\
+          "" u 1:4 t "{/Symbol n} = 4" w l,\
+          "" u 1:5 t "{/Symbol n} = 5" w l;