diff --git a/interfaces/python/Cantera/OneD/BurnerDiffFlame.py b/interfaces/python/Cantera/OneD/BurnerDiffFlame.py
index 9107ccdec..8b160fcdc 100644
--- a/interfaces/python/Cantera/OneD/BurnerDiffFlame.py
+++ b/interfaces/python/Cantera/OneD/BurnerDiffFlame.py
@@ -83,6 +83,9 @@ class BurnerDiffFlame(Stack):
                                 ratio = ratio, slope = slope, curve = curve,
                                 prune = prune)
 
+    def setGridMin(self, gridmin):
+        Stack.setGridMin(self, self.flame, gridmin)
+
     def setProfile(self, component, locs, vals):
         self._initialized = 1
         Stack.setProfile(self, self.flame, component, locs, vals)
diff --git a/interfaces/python/Cantera/OneD/BurnerFlame.py b/interfaces/python/Cantera/OneD/BurnerFlame.py
index 43007acf4..b0971563f 100644
--- a/interfaces/python/Cantera/OneD/BurnerFlame.py
+++ b/interfaces/python/Cantera/OneD/BurnerFlame.py
@@ -83,6 +83,9 @@ class BurnerFlame(Stack):
                                 ratio = ratio, slope = slope, curve = curve,
                                 prune = prune)
 
+    def setGridMin(self, gridmin):
+        Stack.setGridMin(self, self.flame, gridmin)
+
     def setProfile(self, component, locs, vals):
         self._initialized = 1
         Stack.setProfile(self, self.flame, component, locs, vals)
diff --git a/interfaces/python/Cantera/OneD/CounterFlame.py b/interfaces/python/Cantera/OneD/CounterFlame.py
index 3c459f48b..cffec7861 100644
--- a/interfaces/python/Cantera/OneD/CounterFlame.py
+++ b/interfaces/python/Cantera/OneD/CounterFlame.py
@@ -162,6 +162,9 @@ class CounterFlame(Stack):
                                 ratio = ratio, slope = slope, curve = curve,
                                 prune = prune)
 
+    def setGridMin(self, gridmin):
+        Stack.setGridMin(self, self.flame, gridmin)
+
     def setProfile(self, component, locs, vals):
         self._initialized = 1
         Stack.setProfile(self, self.flame, component, locs, vals)
diff --git a/interfaces/python/Cantera/OneD/FreeFlame.py b/interfaces/python/Cantera/OneD/FreeFlame.py
index bc96558b0..3748658da 100644
--- a/interfaces/python/Cantera/OneD/FreeFlame.py
+++ b/interfaces/python/Cantera/OneD/FreeFlame.py
@@ -79,6 +79,9 @@ class FreeFlame(Stack):
                                 ratio = ratio, slope = slope, curve = curve,
                                 prune = prune)
 
+    def setGridMin(self, gridmin):
+        Stack.setGridMin(self, self.flame, gridmin)
+
     def setFixedTemperature(self, temp):
         _cantera.sim1D_setFixedTemperature(self._hndl, temp)
 
diff --git a/interfaces/python/Cantera/OneD/StagnationFlow.py b/interfaces/python/Cantera/OneD/StagnationFlow.py
index 5e0f38624..57789b3d0 100644
--- a/interfaces/python/Cantera/OneD/StagnationFlow.py
+++ b/interfaces/python/Cantera/OneD/StagnationFlow.py
@@ -86,6 +86,9 @@ class StagnationFlow(Stack):
                                 ratio = ratio, slope = slope, curve = curve,
                                 prune = prune)
 
+    def setGridMin(self, gridmin):
+        Stack.setGridMin(self, self.flow, gridmin)
+
     def setProfile(self, component, locs, vals):
         self._initialized = 1
         Stack.setProfile(self, self.flow, component, locs, vals)
diff --git a/interfaces/python/Cantera/OneD/onedim.py b/interfaces/python/Cantera/OneD/onedim.py
index 51d03a438..ca3b2362a 100644
--- a/interfaces/python/Cantera/OneD/onedim.py
+++ b/interfaces/python/Cantera/OneD/onedim.py
@@ -617,6 +617,18 @@ class Stack:
         return _cantera.sim1D_setRefineCriteria(self._hndl,
                                                 idom, ratio, slope, curve, prune)
 
+    def setGridMin(self, domain, gridmin):
+        """
+        Set the minimum allowable grid spacing in a domain.
+
+        :param domain:
+            domain object
+        :param gridmin:
+            The minimum allowable grid spacing [m] for this domain
+        """
+        idom = domain.index()
+        return _cantera.sim1D_setGridMin(self._hndl, idom, gridmin)
+
     def save(self, file = 'soln.xml', id = 'solution', desc = 'none'):
         """Save the solution in XML format.
 
diff --git a/src/clib/ctonedim.cpp b/src/clib/ctonedim.cpp
index 4487b44d6..cd383c665 100644
--- a/src/clib/ctonedim.cpp
+++ b/src/clib/ctonedim.cpp
@@ -609,6 +609,16 @@ extern "C" {
         }
     }
 
+    int sim1D_setGridMin(int i, int dom, double gridmin)
+    {
+        try {
+            SimCabinet::item(i).setGridMin(dom, gridmin);
+            return 0;
+        } catch (...) {
+            return handleAllExceptions(-1, ERR);
+        }
+    }
+
     int sim1D_save(int i, char* fname, char* id, char* desc)
     {
         try {
diff --git a/src/clib/ctonedim.h b/src/clib/ctonedim.h
index 7a88ea224..e9b72864c 100644
--- a/src/clib/ctonedim.h
+++ b/src/clib/ctonedim.h
@@ -71,6 +71,7 @@ extern "C" {
     CANTERA_CAPI int sim1D_refine(int i, int loglevel);
     CANTERA_CAPI int sim1D_setRefineCriteria(int i, int dom, double ratio,
             double slope, double curve, double prune);
+    CANTERA_CAPI int sim1D_setGridMin(int i, int dom, double gridmin);
     CANTERA_CAPI int sim1D_save(int i, char* fname, char* id,
                                 char* desc);
     CANTERA_CAPI int sim1D_restore(int i, char* fname, char* id);
diff --git a/src/python/ctonedim_methods.cpp b/src/python/ctonedim_methods.cpp
index dbf399467..ab83757e1 100644
--- a/src/python/ctonedim_methods.cpp
+++ b/src/python/ctonedim_methods.cpp
@@ -957,6 +957,23 @@ py_sim1D_setRefineCriteria(PyObject* self, PyObject* args)
     return Py_BuildValue("i",_val);
 }
 
+static PyObject*
+py_sim1D_setGridMin(PyObject* self, PyObject* args)
+{
+    int _val;
+    int i;
+    int dom;
+    double gridmin;
+    if (!PyArg_ParseTuple(args, "iid:sim1D_setGridMin", &i, &dom, &gridmin)) {
+        return NULL;
+    }
+
+    _val = sim1D_setGridMin(i,dom,gridmin);
+    if (int(_val) == -1) {
+        return reportCanteraError();
+    }
+    return Py_BuildValue("i",_val);
+}
 
 static PyObject*
 py_sim1D_getInitialSoln(PyObject* self, PyObject* args)
diff --git a/src/python/methods.h b/src/python/methods.h
index c560471d3..6cd1aa667 100644
--- a/src/python/methods.h
+++ b/src/python/methods.h
@@ -146,6 +146,7 @@ static PyMethodDef ct_methods[] = {
     {"sim1D_solve", py_sim1D_solve, METH_VARARGS},
     {"sim1D_refine", py_sim1D_refine, METH_VARARGS},
     {"sim1D_setRefineCriteria", py_sim1D_setRefineCriteria, METH_VARARGS},
+    {"sim1D_setGridMin", py_sim1D_setGridMin, METH_VARARGS},
     {"sim1D_save", py_sim1D_save, METH_VARARGS},
     {"sim1D_restore", py_sim1D_restore, METH_VARARGS},
     {"sim1D_writeStats", py_sim1D_writeStats, METH_VARARGS},