diff --git a/2019/sketch_190504a/sketch_190504a.py b/2019/sketch_190504a/sketch_190504a.py
index 3915b548..c9b4030d 100644
--- a/2019/sketch_190504a/sketch_190504a.py
+++ b/2019/sketch_190504a/sketch_190504a.py
@@ -1,4 +1,8 @@
-from pytop5js import *
+# Alexandre B A Villares
+# run this, install and run pyp5js
+# instructions at https://pypi.org/project/pyp5js/
+
+from pyp5js import *
 
 def setup():
     createCanvas(400, 400)
@@ -21,6 +25,5 @@ def draw():
         sy2 = y2 + sin(a2) * r * cos(frameCount/30.)
         line(sx1, sy1, sx2, sy2)
 
-  
 # This is required by pyp5js to work
 start_p5(setup, draw)
diff --git a/2019/sketch_190505a/sketch_190505a.pyde b/2019/sketch_190505a/sketch_190505a.pyde
new file mode 100644
index 00000000..798615c2
--- /dev/null
+++ b/2019/sketch_190505a/sketch_190505a.pyde
@@ -0,0 +1,47 @@
+# Sibeli Animation
+
+w = h = d = 1
+
+# Cubo
+max_w = 200
+max_h = 200
+max_d = 200
+
+# plano B - Paralelepípedo
+# max_w = 100
+# max_h = 150
+# max_d = 50
+
+pausa = 100
+
+def setup():
+    size(500, 500, P3D)
+    noFill()
+    strokeWeight(5)
+    
+def draw():
+    global w, h, d  # para modificar variáveis globais em Python
+    background(200) # fundo e limpa frame
+    translate(250, 250) # muda origem das coordenadas para o centro da tela
+    # giro quando o cubo cresce
+    rotateX((d - 1) / 100.)
+    rotateZ((d - 1) / 100.)
+    # desenha a "caixa" (ponto, linha, retêngulo e caixa...)
+    box(h, w, d)
+    
+    if w < max_w:
+        if frameCount > pausa:
+            w += 1
+    elif h < max_h:
+        if frameCount > 2 * pausa + max_w:
+            h += 1
+    elif d < max_d:
+        if frameCount > 3 * pausa + max_w + max_h:
+            d += 1
+    else:
+        noLoop()
+     
+    # para salvar frames        
+    #saveFrame(str(w) + "_" + str(h) + "_" str(d) + "_frame#####.png") 
+    
+