diff --git a/td-rs-dat/src/RustDatPlugin.h b/td-rs-dat/src/RustDatPlugin.h
index 0ccf383..fefdaee 100644
--- a/td-rs-dat/src/RustDatPlugin.h
+++ b/td-rs-dat/src/RustDatPlugin.h
@@ -95,6 +95,10 @@ class RustDatPlugin : public DatPlugin {
 public:
   virtual ~RustDatPlugin(){};
 
+  virtual void* inner() const = 0;
+
+  virtual void* innerMut() = 0;
+
   virtual void getGeneralInfo(DAT_GeneralInfo &info,
                               const OP_Inputs &inputs) = 0;
 
diff --git a/td-rs-dat/src/cxx.rs b/td-rs-dat/src/cxx.rs
index c3b6f3f..6465b90 100644
--- a/td-rs-dat/src/cxx.rs
+++ b/td-rs-dat/src/cxx.rs
@@ -75,6 +75,14 @@ extern "C" fn dat_new(info: &'static OP_NodeInfo) -> *mut RustDatPluginImplCpp {
 }
 
 impl RustDatPlugin_methods for RustDatPluginImpl {
+    fn inner(&self) -> *mut c_void {
+        self.inner.as_ref() as *const dyn Dat as *mut c_void
+    }
+
+    fn innerMut(&mut self) -> *mut c_void {
+        self.inner.as_mut() as *mut dyn Dat as *mut c_void
+    }
+
     fn getGeneralInfo(&mut self, mut info: Pin<&mut DAT_GeneralInfo>, inputs: &OP_Inputs) {
         let input = OperatorInputs::new(inputs);
         if let Some(params) = self.inner.params_mut() {
diff --git a/td-rs-derive-py/src/lib.rs b/td-rs-derive-py/src/lib.rs
index fdfef31..b524ea6 100644
--- a/td-rs-derive-py/src/lib.rs
+++ b/td-rs-derive-py/src/lib.rs
@@ -128,8 +128,8 @@ fn impl_py_op(input: &DeriveInput) -> TokenStream {
                                             return std::ptr::null_mut();
                                     }
                                     let py_chop = {
-                                        // let me = cxx::plugin_cast(me);
-                                        // let me = me.as_plugin_mut().inner();
+                                        let me = cxx::plugin_cast(me);
+                                        let me = me.as_plugin().inner();
                                         &mut *(me as *mut #struct_name)
                                     };
                                     py::ToPyObj::to_py_obj(py_chop.#field_name)
@@ -176,7 +176,7 @@ fn impl_py_op(input: &DeriveInput) -> TokenStream {
                                     }
                                     let py_chop = {
                                         let me = cxx::plugin_cast(me);
-                                        let me = me.as_plugin_mut().inner();
+                                        let me = me.as_plugin_mut().innerMut();
                                         &mut *(me as *mut #struct_name)
                                     };
 
@@ -331,7 +331,7 @@ pub fn py_op_methods(_attr: TokenStream, item: TokenStream) -> TokenStream {
                             }
                             let py_chop = {
                                 let me = cxx::plugin_cast(me);
-                                let me = me.as_plugin_mut().inner();
+                                let me = me.as_plugin_mut().innerMut();
                                 &mut *(me as *mut #struct_name)
                             };
                             let res = py_chop.#fn_name(args, nargs as usize);
diff --git a/td-rs-sop/src/RustSopPlugin.h b/td-rs-sop/src/RustSopPlugin.h
index 2def693..d291e65 100644
--- a/td-rs-sop/src/RustSopPlugin.h
+++ b/td-rs-sop/src/RustSopPlugin.h
@@ -106,6 +106,10 @@ class RustSopPlugin : public SopPlugin {
 public:
     virtual ~RustSopPlugin() {};
 
+    virtual void* inner() const = 0;
+
+    virtual void* innerMut() = 0;
+
     virtual void getGeneralInfo(SOP_GeneralInfo &info, const OP_Inputs &inputs) = 0;
 
     virtual void execute(SOP_Output &outputs, const OP_Inputs &inputs) = 0;
diff --git a/td-rs-sop/src/cxx.rs b/td-rs-sop/src/cxx.rs
index c787ea6..c5b64f9 100644
--- a/td-rs-sop/src/cxx.rs
+++ b/td-rs-sop/src/cxx.rs
@@ -86,6 +86,14 @@ extern "C" fn sop_new(info: &'static OP_NodeInfo) -> *mut RustSopPluginImplCpp {
 }
 
 impl RustSopPlugin_methods for RustSopPluginImpl {
+    fn inner(&self) -> *mut c_void {
+        self.inner.as_ref() as *const dyn Sop as *mut c_void
+    }
+
+    fn innerMut(&mut self) -> *mut c_void {
+        self.inner.as_mut() as *mut dyn Sop as *mut c_void
+    }
+
     fn getGeneralInfo(&mut self, mut info: Pin<&mut SOP_GeneralInfo>, inputs: &OP_Inputs) {
         let input = OperatorInputs::new(inputs);
         if let Some(params) = self.inner.params_mut() {
diff --git a/td-rs-top/src/RustTopPlugin.h b/td-rs-top/src/RustTopPlugin.h
index 2693df8..c1979c4 100644
--- a/td-rs-top/src/RustTopPlugin.h
+++ b/td-rs-top/src/RustTopPlugin.h
@@ -115,6 +115,10 @@ class RustTopPlugin : public TopPlugin {
 public:
     virtual ~RustTopPlugin() {};
 
+    virtual void* inner() const = 0;
+
+    virtual void* innerMut() = 0;
+
     virtual void getGeneralInfo(TOP_GeneralInfo &info,
                                 const OP_Inputs &inputs) = 0;
 
diff --git a/td-rs-top/src/cxx.rs b/td-rs-top/src/cxx.rs
index e0417dd..293391c 100644
--- a/td-rs-top/src/cxx.rs
+++ b/td-rs-top/src/cxx.rs
@@ -97,6 +97,14 @@ extern "C" fn top_new(
 }
 
 impl RustTopPlugin_methods for RustTopPluginImpl {
+    fn inner(&self) -> *mut c_void {
+        self.inner.as_ref() as *const dyn Top as *mut c_void
+    }
+
+    fn innerMut(&mut self) -> *mut c_void {
+        self.inner.as_mut() as *mut dyn Top as *mut c_void
+    }
+
     fn getGeneralInfo(&mut self, mut info: Pin<&mut TOP_GeneralInfo>, inputs: &OP_Inputs) {
         let input = OperatorInputs::new(inputs);
         if let Some(params) = self.inner.params_mut() {