diff --git a/riemann/__init__.py b/riemann/__init__.py
index 921754f..f40e1e0 100755
--- a/riemann/__init__.py
+++ b/riemann/__init__.py
@@ -50,6 +50,7 @@
 from . import euler_3D_constants
 from . import burgers_3D_constants
 from . import vc_advection_3D_constants
+from . import euler_mapgrid_3D
 
 
 try:
@@ -99,6 +100,7 @@
     from . import euler_3D
     from . import burgers_3D
     from . import vc_advection_3D
+    from . import euler_mapgrid_3D
 except ImportError as e:
     import traceback
     print("********************************************************************")
diff --git a/riemann/meson.build b/riemann/meson.build
index 1272983..559040e 100644
--- a/riemann/meson.build
+++ b/riemann/meson.build
@@ -111,6 +111,7 @@ riemann_2D = [
 riemann_3D = [
   'vc_acoustics',
   'euler',
+  'euler_mapgrid',
   'burgers',
   'vc_advection',
 ]
@@ -226,3 +227,24 @@ foreach name, sources: special_extensions
     install : true
   )
 endforeach
+
+ext_name = 'mappedGrid'
+ext_srcs = [
+  srcdir / 'euler3d_mappedGrid.f90',
+]
+f2py_srcs = custom_target(
+  'f2py_mappedGrid',
+  command: [f2py, ext_name],
+  input: ext_srcs,
+  output: [ext_name + 'module.c', ext_name + '-f2pywrappers2.f90'],
+  build_by_default: true,
+)
+
+py.extension_module(
+  ext_name, [ext_srcs, f2py_srcs],
+  incdir_f2py / 'fortranobject.c',
+  include_directories: inc_np,
+  dependencies : py_dep,
+  subdir: pkg_dir,
+  install : true
+)