diff --git a/files/test.m5r b/files/test.m5r
index d0dbadc..dcb60d2 100644
--- a/files/test.m5r
+++ b/files/test.m5r
@@ -1,54 +1,81 @@
 <?py
-# M5RCode Python Block: OBFUSCATED - 3D Hello World + Floating Rotating 3D Square
+# M5RCode Python Block: OBFUSCATED - True 3D Floating Cube & Hello World
 
 import tkinter as _tk
 import math as _m
-import time as _t
 
-class _T:
+_WW=700
+_WH=400
+
+class _3D:
     def __init__(self):
         self._rt=_tk.Tk()
-        self._rt.title(''.join([chr(c) for c in [51,68,32,84,101,115,116]])) # 3D Test
-        self._cv=_tk.Canvas(self._rt,width=420,height=260,bg='#181c22',highlightthickness=0)
+        self._rt.title(''.join([chr(c) for c in [84,104,114,101,101,68,32,84,101,115,116]])) # ThreeD Test
+        self._cv=_tk.Canvas(self._rt,width=_WW,height=_WH,bg='#181c22',highlightthickness=0)
         self._cv.pack()
-        self._ang=0
-        self._t=0
+        self._A=0.0
+        self._B=0.0
+        self._t=0.0
         self._run()
         self._rt.mainloop()
 
+    def _pr(self, x,y,z):
+        # Perspective projection
+        d = 400
+        zz = z+220
+        return (
+            _WW//2 + int(d * x / (zz+1)),
+            _WH//2 + int(d * y / (zz+1))
+        )
+
     def _run(self):
         self._cv.delete('all')
-        # Draw "3D" shadowed Hello World text
-        _s="".join([chr(c) for c in [72,101,108,108,111,32,119,111,114,108,100]])
-        for _i in range(15,0,-3):
-            self._cv.create_text(212+_i,90+_i,fill=f"#2a2a5{9-_i//3}",font=('Consolas',42,'bold'),text=_s)
-        self._cv.create_text(212,90,fill="#ffe257",font=('Consolas',42,'bold'),text=_s)
-        # Rotating & bouncing 3D square (pseudo-perspective)
-        _a=self._ang
-        _Y=130+_m.sin(self._t)*24
-        _sz=70
-        _pts=[]
-        for _dx,_dy in [(-1,-1),(1,-1),(1,1),(-1,1)]:
-            # 3D cube points, rotate a bit in Y, project to 2D
-            _x=_dx*_sz*_m.cos(_a)
-            _y=_dy*_sz*0.67
-            _z=_dx*_sz*_m.sin(_a)
-            _X=_x+_z*0.45
-            _pts.append((212+_X,_Y+_y-_z*0.29))
-        # Draw top face for 3D effect
-        self._cv.create_polygon([_pts[i] for i in [0,1,2,3]],fill="#00ffae",outline="#222",width=3)
-        # Draw floating shadow
-        self._cv.create_oval(212-45,(_Y+_sz*1.03)+10,212+45,(_Y+_sz*1.24)+20,fill="#000",outline="")
-        # Draw outline with depth
-        for _offs in range(1,8):
-            _offp=[(_x,_y+_offs*2) for _x,_y in _pts]
-            self._cv.create_polygon(_offp,outline="#161413",fill="",width=1)
-        # Animate: spin & up-down
-        self._ang+=0.12
-        self._t+=0.1
-        self._rt.after(28,self._run)
+        # "3D" hello
+        _s = ''.join([chr(c) for c in [72,101,108,108,111,32,119,111,114,108,100]])
+        for _i in range(17,0,-3):
+            self._cv.create_text(_WW//2+_i,_WH//4+_i,fill=f"#3e238{9-_i//3}",font=('Consolas',62,'bold'),text=_s)
+        self._cv.create_text(_WW//2,_WH//4,fill="#ffe257",font=('Consolas',62,'bold'),text=_s)
 
-_T()
+        # Draw ground
+        self._cv.create_oval(_WW//2-180,_WH//2+112,_WW//2+185,_WH//2+145,fill="#5800aa",outline="#380075")
+        
+        # Cube vertices (3D)
+        _sz=75
+        _F=_m.sin(self._t)*45
+        _verts=[ # 8 points of a cube
+            [-1,-1,-1], [1,-1,-1], [1,1,-1], [-1,1,-1],
+            [-1,-1,1],  [1,-1,1],  [1,1,1],  [-1,1,1]
+        ]
+        # 3D rotation and translation
+        _P=[]
+        for v in _verts:
+            x,y,z=v
+            # rotate around Y (self._A), X(self._B)
+            x2=x*_m.cos(self._A)-z*_m.sin(self._A)
+            z2=x*_m.sin(self._A)+z*_m.cos(self._A)
+            y2=y*_m.cos(self._B)-z2*_m.sin(self._B)
+            z3=y*_m.sin(self._B)+z2*_m.cos(self._B)
+            _P.append(self._pr(x2*_sz, y2*_sz+_F, z3*_sz+110))
+        # Cube edges
+        _edges=[(0,1),(1,2),(2,3),(3,0),(4,5),(5,6),(6,7),(7,4),
+                (0,4),(1,5),(2,6),(3,7)]
+        # Draw cube faces (as filled polygons for 3D solid look)
+        _faces=[(0,1,2,3),(4,5,6,7),(0,1,5,4),(2,3,7,6),(0,3,7,4),(1,2,6,5)]
+        _colf=["#66ffee","#f2a2fa","#00eedc","#39dabf","#bfeaff","#ccfcfc"]
+        for ii,f in enumerate(_faces):
+            pts=[_P[i] for i in f]
+            self._cv.create_polygon(pts,fill=_colf[ii],outline="#3c3c57",width=2,stipple='gray25')        
+        # Draw all edges (to make it look "wireframe-3d")
+        for a,b in _edges:
+            self._cv.create_line(*_P[a],*_P[b],fill="#231f39",width=3)
+            self._cv.create_line(*_P[a],*_P[b],fill="#aff",width=1)
+        # Animate
+        self._A+=0.09
+        self._B+=0.055
+        self._t+=0.07
+        self._rt.after(24,self._run)
+
+_3D()
 ?>
 <?js
 (function(){
@@ -63,7 +90,6 @@ ${a}=array(72,101,108,108,111,32,119,111,114,108,100);
 echo implode(array_map('chr',${a})) . "\n";
 ?>
 <?cs
-// M5RCode C# Block: OBFUSCATED, illustrative
 using System;
 class S{
  static void Main(){
@@ -72,7 +98,6 @@ class S{
 }
 ?>
 <?cpp
-// M5RCode C++ Block: OBFUSCATED, illustrative
 #include <iostream>
 int main() {
  int arr[] = {72,101,108,108,111,32,119,111,114,108,100};
@@ -82,5 +107,5 @@ int main() {
 }
 ?>
 <?css
-body { color: #ffe257; background: #1a1c1f; }
+body { color: #ffe257; background: #181c22; }
 ?>