diff --git a/modules/material_maker/SCsub b/modules/material_maker/SCsub
index 927d6c10f..83a4cdfc1 100644
--- a/modules/material_maker/SCsub
+++ b/modules/material_maker/SCsub
@@ -51,6 +51,7 @@ sources = [
     "editor/widgets/polygon_edit/polygon_view.cpp",
 
     "nodes/uniform/uniform.cpp",
+    "nodes/uniform/greyscale_uniform.cpp",
 ]
 
 if env["tools"]:
diff --git a/modules/material_maker/config.py b/modules/material_maker/config.py
index 4437f4ce7..557a90b24 100644
--- a/modules/material_maker/config.py
+++ b/modules/material_maker/config.py
@@ -21,6 +21,7 @@ def get_doc_classes():
         "MatMakerGDEditor",
 
         "MMUniform",
+        "GreyscaleUniform ",
     ]
 
 def get_doc_path():
diff --git a/modules/material_maker/nodes/uniform/greyscale_uniform.cpp b/modules/material_maker/nodes/uniform/greyscale_uniform.cpp
index 3f3e8c9d9..f2cde33f0 100644
--- a/modules/material_maker/nodes/uniform/greyscale_uniform.cpp
+++ b/modules/material_maker/nodes/uniform/greyscale_uniform.cpp
@@ -1,68 +1,50 @@
 
 #include "greyscale_uniform.h"
 
+#include "../../editor/mm_graph_node.h"
 
-Ref<Resource> GreyscaleUniform::get_uniform() {
- return uniform;
+Ref<MMNodeUniversalProperty> GreyscaleUniform::get_uniform() {
+	return uniform;
 }
 
-void GreyscaleUniform::set_uniform(const Ref<Resource> &val) {
-uniform = val;
+void GreyscaleUniform::set_uniform(const Ref<MMNodeUniversalProperty> &val) {
+	uniform = val;
 }
 
+void GreyscaleUniform::_init_properties() {
+	if (!uniform.is_valid()) {
+		uniform.instance();
+		uniform->set_default_type(MMNodeUniversalProperty::DEFAULT_TYPE_FLOAT);
+		uniform->set_default_value(0.5);
+		uniform->set_slot_name("Value (Color)");
+		uniform->set_value_step(0.01);
+		uniform->set_value_range(Vector2(0, 1));
+	}
 
-
- //tool;
- //export(Resource) ;
-  Ref<Resource> uniform;
-
- void GreyscaleUniform::_init_properties() {
-
-  if (!uniform) {
-   uniform = MMNodeUniversalProperty.new();
-   uniform.default_type = MMNodeUniversalProperty.DEFAULT_TYPE_FLOAT;
-   uniform.set_default_value(0.5);
-   uniform.slot_name = "Value (Color)";
-   uniform.value_step = 0.01;
-   uniform.value_range = Vector2(0, 1);
+	uniform->set_output_slot_type(MMNodeUniversalProperty::SLOT_TYPE_COLOR);
+	register_output_property(uniform);
 }
 
-  uniform.output_slot_type = MMNodeUniversalProperty.SLOT_TYPE_COLOR;
-  register_output_property(uniform);
+void GreyscaleUniform::_register_methods(MMGraphNode *mm_graph_node) {
+	mm_graph_node->add_slot_float_universal(uniform);
 }
 
-
- void GreyscaleUniform::_register_methods(const Variant &mm_graph_node) {
-  mm_graph_node.add_slot_float_universal(uniform);
+Color GreyscaleUniform::_get_value_for(const Vector2 &uv, const int pseed) {
+	float f = uniform->get_value(uv);
+	return Color(f, f, f, 1);
 }
 
-
- Color GreyscaleUniform::_get_value_for(const Vector2 &uv, const int pseed) {
-   float f = uniform.get_value(uv);
-  return Color(f, f, f, 1);
+GreyscaleUniform::GreyscaleUniform() {
 }
 
+GreyscaleUniform::~GreyscaleUniform() {
 }
 
- GreyscaleUniform::GreyscaleUniform() {
-  uniform;
- }
-
- GreyscaleUniform::~GreyscaleUniform() {
- }
-
-
- static void GreyscaleUniform::_bind_methods() {
-   ClassDB::bind_method(D_METHOD("get_uniform"), &GreyscaleUniform::get_uniform);
-   ClassDB::bind_method(D_METHOD("set_uniform", "value"), &GreyscaleUniform::set_uniform);
-   ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "uniform", PROPERTY_HINT_RESOURCE_TYPE, "Ref<Resource>"), "set_uniform", "get_uniform");
-
-
-  ClassDB::bind_method(D_METHOD("_init_properties"), &GreyscaleUniform::_init_properties);
-  ClassDB::bind_method(D_METHOD("_register_methods", "mm_graph_node"), &GreyscaleUniform::_register_methods);
-  ClassDB::bind_method(D_METHOD("_get_value_for", "uv", "pseed"), &GreyscaleUniform::_get_value_for);
-
- }
-
-
+void GreyscaleUniform::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("get_uniform"), &GreyscaleUniform::get_uniform);
+	ClassDB::bind_method(D_METHOD("set_uniform", "value"), &GreyscaleUniform::set_uniform);
+	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "uniform", PROPERTY_HINT_RESOURCE_TYPE, "Ref<MMNodeUniversalProperty>"), "set_uniform", "get_uniform");
 
+	ClassDB::bind_method(D_METHOD("_init_properties"), &GreyscaleUniform::_init_properties);
+	ClassDB::bind_method(D_METHOD("_get_value_for", "uv", "pseed"), &GreyscaleUniform::_get_value_for);
+}
diff --git a/modules/material_maker/nodes/uniform/greyscale_uniform.h b/modules/material_maker/nodes/uniform/greyscale_uniform.h
index fc0fe8586..87e53dcbd 100644
--- a/modules/material_maker/nodes/uniform/greyscale_uniform.h
+++ b/modules/material_maker/nodes/uniform/greyscale_uniform.h
@@ -1,29 +1,27 @@
 #ifndef GREYSCALE_UNIFORM_H
 #define GREYSCALE_UNIFORM_H
 
+#include "../mm_node.h"
+#include "../mm_node_universal_property.h"
 
 class GreyscaleUniform : public MMNode {
- GDCLASS(GreyscaleUniform, MMNode);
+	GDCLASS(GreyscaleUniform, MMNode);
 
- public:
+public:
+	Ref<MMNodeUniversalProperty> get_uniform();
+	void set_uniform(const Ref<MMNodeUniversalProperty> &val);
 
- Ref<Resource> get_uniform();
- void set_uniform(const Ref<Resource> &val);
+	void _init_properties();
+	void _register_methods(MMGraphNode *mm_graph_node);
+	Color _get_value_for(const Vector2 &uv, const int pseed);
 
- void _init_properties();
- void _register_methods(const Variant &mm_graph_node);
- Color _get_value_for(const Vector2 &uv, const int pseed);
+	GreyscaleUniform();
+	~GreyscaleUniform();
 
- GreyscaleUniform();
- ~GreyscaleUniform();
+protected:
+	static void _bind_methods();
 
- protected:
- static void _bind_methods();
-
- //tool
- //export(Resource) 
- Ref<Resource> uniform;
+	Ref<MMNodeUniversalProperty> uniform;
 };
 
-
 #endif
diff --git a/modules/material_maker/register_types.cpp b/modules/material_maker/register_types.cpp
index 23b2c7373..11e8f0960 100644
--- a/modules/material_maker/register_types.cpp
+++ b/modules/material_maker/register_types.cpp
@@ -42,6 +42,7 @@ SOFTWARE.
 #include "editor_plugin.h"
 #endif
 
+#include "nodes/uniform/greyscale_uniform.h"
 #include "nodes/uniform/uniform.h"
 
 static _MMAlgos *_mm_algos_singleton = nullptr;
@@ -61,7 +62,9 @@ void register_material_maker_types() {
 	ClassDB::register_class<MatMakerGDEditor>();
 
 	ClassDB::register_class<MMUniform>();
+	ClassDB::register_class<GreyscaleUniform>();
 	MMAlgos::register_node_class("Uniform", "MMUniform");
+	MMAlgos::register_node_class("Uniform", "GreyscaleUniform");
 
 	_mm_algos_singleton = memnew(_MMAlgos);
 	Engine::get_singleton()->add_singleton(Engine::Singleton("MMAlgos", _MMAlgos::get_singleton()));