diff --git a/types/three/src/nodes/materials/Materials.d.ts b/types/three/src/nodes/materials/Materials.d.ts
index 2ec7a4b22..9d668a8a1 100644
--- a/types/three/src/nodes/materials/Materials.d.ts
+++ b/types/three/src/nodes/materials/Materials.d.ts
@@ -8,7 +8,7 @@ export { default as MeshPhysicalNodeMaterial } from "./MeshPhysicalNodeMaterial.
 export { default as MeshSSSPhysicalNodeMaterial } from "./MeshSSSNodeMaterial.js";
 export { default as MeshStandardNodeMaterial } from "./MeshStandardNodeMaterial.js";
 export { default as MeshToonNodeMaterial } from "./MeshToonNodeMaterial.js";
-export { default as NodeMaterial } from "./NodeMaterial.js";
+export { addNodeMaterial, createNodeMaterialFromType, default as NodeMaterial } from "./NodeMaterial.js";
 export { default as PointsNodeMaterial } from "./PointsNodeMaterial.js";
 export { default as ShadowNodeMaterial } from "./ShadowNodeMaterial.js";
 export { default as SpriteNodeMaterial } from "./SpriteNodeMaterial.js";
diff --git a/types/three/src/nodes/materials/NodeMaterial.d.ts b/types/three/src/nodes/materials/NodeMaterial.d.ts
index bebd04cec..698c88b98 100644
--- a/types/three/src/nodes/materials/NodeMaterial.d.ts
+++ b/types/three/src/nodes/materials/NodeMaterial.d.ts
@@ -116,3 +116,6 @@ export default class NodeMaterial extends Material {
     static fromMaterial(material: NodeMaterial): NodeMaterial;
     static fromMaterial(material: Material): NodeMaterial;
 }
+
+export function addNodeMaterial(type: string, nodeMaterial: typeof NodeMaterial): void;
+export function createNodeMaterialFromType(type: string): NodeMaterial;