diff --git a/app/pages/PageEnigma/datastructures/clips/transform_track_clip.ts b/app/pages/PageEnigma/datastructures/clips/transform_track_clip.ts
index b1dce41bf3..183e0e6494 100644
--- a/app/pages/PageEnigma/datastructures/clips/transform_track_clip.ts
+++ b/app/pages/PageEnigma/datastructures/clips/transform_track_clip.ts
@@ -1,27 +1,23 @@
-export interface Vector3 {
-  x: number;
-  y: number;
-  z: number;
-}
+import * as THREE from 'three';
 
 export interface TransformTrackClip {
   version: number;
   media_id: number;
   type: "transform";
-  position: Vector3[];
-  rotation: Vector3[];
-  scale: Vector3[];
+  position: THREE.Vector3[];
+  rotation: THREE.Vector3[];
+  scale: THREE.Vector3[];
 }
 
 export class TransformTrackClipClass implements TransformTrackClip {
     version: number;
     media_id: number;
     type: "transform";
-    position: Vector3[];
-    rotation: Vector3[];
-    scale: Vector3[];
+    position: THREE.Vector3[];
+    rotation: THREE.Vector3[];
+    scale: THREE.Vector3[];
   
-    constructor(version: number, media_id: number, position: Vector3[], rotation: Vector3[], scale: Vector3[]) {
+    constructor(version: number, media_id: number, position: THREE.Vector3[], rotation: THREE.Vector3[], scale: THREE.Vector3[]) {
       this.version = version;
       this.media_id = media_id;
       this.type = "transform";
@@ -29,6 +25,16 @@ export class TransformTrackClipClass implements TransformTrackClip {
       this.rotation = rotation;
       this.scale = scale;
     }
+
+    add_position(position: THREE.Vector3) {
+      this.position.push(position);
+    }
+
+    remove_position(position: THREE.Vector3) {
+      this.position = this.position.filter(position => {
+        return !position.equals(position);
+      });
+    }
   
     toJSON(): string {
       return JSON.stringify({