diff --git a/README.md b/README.md
index 742df93..b571ece 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ $ 3                               ; Save to temporary storage, accessible with L
 > 10                              ; Size 10
 > -4                              ; Eraser, Size 4
 > 10,0                            ; Add pointer at pos
-> -400,0                          ; Add mirror pointer, at 400x
+> 400x0                           ; Add mirror pointer, at 400x
 > 4 #ff0000                       ; Red brush, Size 4
 > ?                               ; Remove last pointer
 ```
@@ -57,8 +57,13 @@ $ 3                               ; Save to temporary storage, accessible with L
 
 #Units*
 ```
-5                                 ; 5px
-5,7                               ; 5x 7y
-7x9                               ; 7w 9h
-{5h - 5s}                         ; 5% of canvas width, minus brush speed
+5                                 ; value:    5
+5,7                               ; position: 5x 7y
+7x9                               ; rect:     7w 9h
+#ff0000                           ; color:    red
 ```
+
+- Mirror
+- Filter
+- Noise
+-
diff --git a/scripts/ronin.brush.js b/scripts/ronin.brush.js
index 3377c76..407828f 100644
--- a/scripts/ronin.brush.js
+++ b/scripts/ronin.brush.js
@@ -12,8 +12,15 @@ function Brush()
   
   this.active = function(cmd)
   {
+    var pointer = new Pointer();
+    
     if(cmd.position()){
-      var pointer = new Pointer(cmd.position());
+      pointer.position = cmd.position();
+    }
+    if(cmd.rect()){
+      pointer.mirror = cmd.rect();
+    }
+    if(cmd.rect() || cmd.position()){
       this.add_pointer(pointer);
     }
     if(cmd.color()){
@@ -33,8 +40,9 @@ function Brush()
     var hint_value = (cmd.value() ? "Size "+cmd.value()+" " : "");
     var hint_position = (cmd.position() ? "Position "+cmd.position().x+","+cmd.position().y+" " : "");
     var hint_color = (cmd.color() ? "Color "+cmd.color().hex+" " : "");
+    var hint_rect = (cmd.rect() ? "Mirror "+cmd.rect().width+"/"+cmd.rect().height+" " : "");
     
-    return "Brush: "+hint_value+hint_position+hint_color;
+    return "Brush: "+hint_value+hint_position+hint_color+hint_rect;
   }
   
   this.pointers = [new Pointer(new Position())];
diff --git a/scripts/ronin.brush.pointer.js b/scripts/ronin.brush.pointer.js
index 45493ab..6559010 100644
--- a/scripts/ronin.brush.pointer.js
+++ b/scripts/ronin.brush.pointer.js
@@ -35,11 +35,11 @@ function Pointer(offset = new Position(), color = new Color('000000'))
   
   this.position = function()
   {
-    if(this.mirror && this.mirror.x > 0){
-      return new Position(this.mirror.x - (brush.position.x + this.offset.x), 0 + (brush.position.y + this.offset.y));
+    if(this.mirror && this.mirror.width > 0){
+      return new Position(this.mirror.width - (ronin.brush.position.x + this.offset.x), 0 + (ronin.brush.position.y + this.offset.y));
     }
-    else if(this.mirror && this.mirror.y > 0){
-      return new Position((brush.position.x + this.offset.x), this.mirror.y - (brush.position.y + this.offset.y));
+    else if(this.mirror && this.mirror.height > 0){
+      return new Position((ronin.brush.position.x + this.offset.x), this.mirror.height - (ronin.brush.position.y + this.offset.y));
     }
     return new Position(ronin.brush.position.x + this.offset.x, ronin.brush.position.y + this.offset.y);
   }