diff --git a/interfaces/cython/cantera/_cantera.pxd b/interfaces/cython/cantera/_cantera.pxd
index 955b9a29f..b7774954a 100644
--- a/interfaces/cython/cantera/_cantera.pxd
+++ b/interfaces/cython/cantera/_cantera.pxd
@@ -12,9 +12,14 @@ cdef extern from "cantera/base/ctml.h" namespace "ctml":
     XML_Node getCtmlTree(string) except +
 
 cdef extern from "cantera/thermo/mix_defs.h":
+    cdef int thermo_type_ideal_gas "Cantera::cIdealGas"
     cdef int thermo_type_surf "Cantera::cSurf"
     cdef int thermo_type_edge "Cantera::cEdge"
 
+    cdef int kinetics_type_gas "Cantera::cGasKinetics"
+    cdef int kinetics_type_interface "Cantera::cInterfaceKinetics"
+    cdef int kinetics_type_edge "Cantera::cEdgeKinetics"
+
 cdef extern from "cantera/thermo/ThermoPhase.h" namespace "Cantera":
     cdef cppclass CxxThermoPhase "Cantera::ThermoPhase":
         CxxThermoPhase()
@@ -26,6 +31,9 @@ cdef extern from "cantera/thermo/ThermoPhase.h" namespace "Cantera":
         int nSpecies()
         XML_Node& xml()
 
+cdef extern from "cantera/thermo/IdealGasPhase.h":
+    cdef cppclass CxxIdealGasPhase "Cantera::IdealGasPhase"
+
 cdef extern from "cantera/thermo/SurfPhase.h":
     cdef cppclass CxxSurfPhase "Cantera::SurfPhase":
         CxxSurfPhase()
@@ -35,8 +43,12 @@ cdef extern from "cantera/thermo/SurfPhase.h":
 cdef extern from "cantera/kinetics/Kinetics.h" namespace "Cantera":
     cdef cppclass CxxKinetics "Cantera::Kinetics":
         CxxKinetics()
+        int type()
         int nReactions()
 
+cdef extern from "cantera/kinetics/InterfaceKinetics.h":
+    cdef cppclass CxxInterfaceKinetics "Cantera::InterfaceKinetics"
+
 cdef extern from "cantera/transport/TransportBase.h" namespace "Cantera":
     cdef cppclass CxxTransport "Cantera::Transport":
         CxxTransport(CxxThermoPhase*)
@@ -109,6 +121,41 @@ cdef extern from "cantera/transport/TransportFactory.h" namespace "Cantera":
 cdef extern from "cantera/zeroD/ReactorFactory.h" namespace "Cantera":
     cdef CxxReactorBase* newReactor(string) except +
 
+cdef extern from "cantera/oneD/Domain1D.h":
+    cdef cppclass CxxDomain1D "Cantera::Domain1D":
+        int nPoints()
+        void setupGrid(size_t, double)
+
+cdef extern from "cantera/oneD/Inlet1D.h":
+    cdef cppclass CxxBdry1D "Cantera::Bdry1D":
+        void setTemperature(double)
+    cdef cppclass CxxInlet1D "Cantera::Inlet1D":
+        CxxInlet1D()
+    cdef cppclass CxxOutlet1D "Cantera::Outlet1D":
+        CxxOutlet1D()
+    cdef cppclass CxxOutletRes1D "Cantera::OutletRes1D":
+        CxxOutletRes1D()
+    cdef cppclass CxxSymm1D "Cantera::Symm1D":
+        CxxSymm1D()
+    cdef cppclass CxxSurf1D "Cantera::Surf1D":
+        CxxSurf1D()
+    cdef cppclass CxxReactingSurf1D "Cantera::ReactingSurf1D":
+        CxxRreactingSurf1D()
+        void setKineticsMgr(CxxInterfaceKinetics*)
+
+cdef extern from "cantera/oneD/StFlow.h":
+    cdef cppclass CxxStFlow "Cantera::StFlow":
+        CxxStFlow(CxxIdealGasPhase*, int, int)
+        void setKinetics(CxxKinetics&)
+    cdef cppclass CxxFreeFlame "Cantera::FreeFlame":
+        CxxFreeFlame(CxxIdealGasPhase*, int, int)
+    cdef cppclass CxxAxiStagnFlow "Cantera::AxiStagnFlow":
+        CxxAxiStagnFlow(CxxIdealGasPhase*, int, int)
+
+cdef extern from "cantera/oneD/Sim1D.h":
+    cdef cppclass CxxSim1D "Cantera::Sim1D":
+        CxxSim1D(vector[CxxDomain1D*]&)
+
 cdef string stringify(x)
 
 cdef class _SolutionBase:
diff --git a/interfaces/cython/cantera/_cantera.pyx b/interfaces/cython/cantera/_cantera.pyx
index 2af2f32e1..4aad30501 100644
--- a/interfaces/cython/cantera/_cantera.pyx
+++ b/interfaces/cython/cantera/_cantera.pyx
@@ -16,5 +16,5 @@ include "transport.pyx"
 include "composite.pyx"
 
 include "mixture.pyx"
-
-include "reactor.pyx"
\ No newline at end of file
+include "reactor.pyx"
+include "onedim.pyx"
diff --git a/interfaces/cython/cantera/onedim.pyx b/interfaces/cython/cantera/onedim.pyx
new file mode 100644
index 000000000..85661772c
--- /dev/null
+++ b/interfaces/cython/cantera/onedim.pyx
@@ -0,0 +1,127 @@
+cdef class Domain1D:
+    cdef CxxDomain1D* domain
+    def __cinit__(self, *args, **kwargs):
+        self.domain = NULL
+
+    def __init__(self, *args, **kwargs):
+        if self.domain is NULL:
+            raise TypeError("Can't instantiate abstract class Domain1D.")
+
+
+cdef class Boundary1D(Domain1D):
+    cdef CxxBdry1D* boundary
+    def __cinit__(self, *args, **kwargs):
+        self.boundary = NULL
+
+    def __init__(self, *args, **kwargs):
+        if self.boundary is NULL:
+            raise TypeError("Can't instantiate abstract class Boundary1D.")
+        self.domain = <CxxDomain1D*>(self.boundary)
+        Domain1D.__init__(self, *args, **kwargs)
+
+    def setTemperature(self, value):
+        self.boundary.setTemperature(value)
+
+
+cdef class Inlet1D(Boundary1D):
+    cdef CxxInlet1D* inlet
+    def __cinit__(self, *args, **kwargs):
+        self.inlet = new CxxInlet1D()
+        self.boundary = <CxxBdry1D*>(self.inlet)
+
+    def __dealloc__(self):
+        del self.inlet
+
+
+cdef class Outlet1D(Boundary1D):
+    cdef CxxOutlet1D* outlet
+    def __cinit__(self, *args, **kwargs):
+        self.outlet = new CxxOutlet1D()
+        self.boundary = <CxxBdry1D*>(self.outlet)
+
+    def __dealloc__(self):
+        del self.outlet
+
+
+cdef class OutletReservoir1D(Boundary1D):
+    cdef CxxOutletRes1D* outlet
+    def __cinit__(self, *args, **kwargs):
+        self.outlet = new CxxOutletRes1D()
+        self.boundary = <CxxBdry1D*>(self.outlet)
+
+    def __dealloc__(self):
+        del self.outlet
+
+
+cdef class SymmetryPlane1D(Boundary1D):
+    cdef CxxSymm1D* symm
+    def __cinit__(self, *args, **kwargs):
+        self.symm = new CxxSymm1D()
+        self.boundary = <CxxBdry1D*>(self.symm)
+
+    def __dealloc__(self):
+        del self.symm
+
+
+cdef class Surface1D(Boundary1D):
+    cdef CxxSurf1D* surf
+    def __cinit__(self, *args, **kwargs):
+        self.surf = new CxxSurf1D()
+        self.boundary = <CxxBdry1D*>(self.surf)
+
+    def __dealloc__(self):
+        del self.surf
+
+
+cdef class ReactingSurface1D(Boundary1D):
+    cdef CxxReactingSurf1D* surf
+    def __cinit__(self, *args, **kwargs):
+        self.surf = new CxxReactingSurf1D()
+        self.boundary = <CxxBdry1D*>(self.surf)
+
+    def __dealloc__(self):
+        del self.surf
+
+    def setKinetics(self, Kinetics kin):
+        if kin.kinetics.type() not in (kinetics_type_interface,
+                                       kinetics_type_edge):
+            raise TypeError('Kinetics object must be derived from '
+                            'InterfaceKinetics.')
+        self.surf.setKineticsMgr(<CxxInterfaceKinetics*>kin.kinetics)
+
+
+cdef class _FlowBase(Domain1D):
+    cdef CxxStFlow* flow
+    def __cinit__(self, *args, **kwargs):
+        self.flow = NULL
+
+    def __init__(self, *args, **kwargs):
+        self.domain = <CxxDomain1D*>(self.flow)
+        super().__init__(*args, **kwargs)
+
+    def __dealloc__(self):
+        del self.flow
+
+
+cdef CxxIdealGasPhase* getIdealGasPhase(ThermoPhase phase) except *:
+    if phase.thermo.eosType() != thermo_type_ideal_gas:
+        raise TypeError('ThermoPhase object is not an IdealGasPhase')
+    return <CxxIdealGasPhase*>(phase.thermo)
+
+
+cdef class StagnationFlow(_FlowBase):
+    def __cinit__(self, ThermoPhase thermo, *args, **kwargs):
+        gas = getIdealGasPhase(thermo)
+        self.flow = new CxxStFlow(gas, thermo.nSpecies(), 2)
+
+
+cdef class FreeFlame(_FlowBase):
+    def __cinit__(self, ThermoPhase thermo, *args, **kwargs):
+        gas = getIdealGasPhase(thermo)
+        self.flow = <CxxStFlow*>(new CxxFreeFlame(gas, thermo.nSpecies, 2))
+
+
+cdef class AxisymmetricStagnationFlow(_FlowBase):
+    def __cinit__(self, ThermoPhase thermo, *args, **kwargs):
+        gas = getIdealGasPhase(thermo)
+        self.flow = <CxxStFlow*>(new CxxAxiStagnFlow(gas, thermo.nSpecies, 2))