diff --git a/s045b/s045b.pyde b/s045b/s045b.pyde
new file mode 100644
index 00000000..fc8c29a9
--- /dev/null
+++ b/s045b/s045b.pyde
@@ -0,0 +1,100 @@
+"""
+sketch 45b 180214 - Alexandre B A Villares
+https://abav.lugaralgum.com/sketch-a-day
+"""
+
+LIST = []
+SRINK = .50
+OFFSET = .25
+SIZE = 512  # base size
+SAVE_FRAME = False
+DRAW_MODE = rect
+
+def setup():
+    size(512 + 200, 512 + 200)
+    rectMode(CENTER)
+    colorMode(HSB)
+    strokeWeight(2)
+    LIST.append(Cell())
+
+def draw():
+    translate(width / 2, height / 2)
+    background(200)
+    for cell in LIST:
+        cell.update()
+    save_frame()  # saves frame if SAVE_FRAME is set True
+
+def keyPressed():
+    global SAVE_FRAME, DRAW_MODE
+    if key == " ":
+        LIST[:] = [Cell()]
+    if key == "r":
+        if DRAW_MODE == rect:
+            DRAW_MODE = ellipse
+        else: DRAW_MODE = rect
+        SAVE_FRAME = True
+
+
+class Cell():
+
+    def __init__(self, x=0, y=0, gen=0, gen_offset=0,
+                     xo=0, yo=0, mother=None):
+        self.LIST = []
+        self.x, self.y, self.xo, self.yo = x, y, xo, yo
+        self.gen = gen
+        self.mother = mother
+        self.color = color(random(0, 200), 200, 200, 200)
+
+    def s(self):  # size
+        return SIZE * (SRINK ** self.gen)
+
+    def update(self):
+        self.draw()  # draws itself
+        if not self.LIST:
+            # if no sub-cells, its a lead (para células sem sub-células)
+            # and if  mouse is pressed inside it
+            if mousePressed and self.on_mouse():
+                self.divide()  # will create new sub-cells
+        # otherwise will recursively update sub-cells and draw a line to them
+        else:
+            for sub_cell in self.LIST:
+                sub_cell.update()
+                stroke(0)
+                line(self.x, self.y, sub_cell.x, sub_cell.y)
+
+    def draw(self):
+        draw_function = DRAW_MODE
+        x =self.x + self.xo * self.s() * OFFSET
+        y =self.y + self.yo * self.s() * OFFSET
+        noStroke()
+        fill(self.color)
+        draw_function(x, y, self.s(), self.s())
+        fill(0)
+        draw_function(x, y, 4, 4)
+        #text(str(self.gen), self.x, self.y)
+
+    def divide(self):
+        if self.gen < 6:
+            global SAVE_FRAME
+            SAVE_FRAME = True
+            new_gen = self.gen + 1
+            o = self.s() * OFFSET
+            go = 0 #new_gen * 2
+            self.LIST.append(Cell(gen=new_gen, xo=+1, yo=+1, mother=self))
+            self.LIST.append(Cell(gen=new_gen, xo=+1, yo=-1, mother=self))
+            self.LIST.append(Cell(gen=new_gen, xo=-1, yo=+1, mother=self))
+            self.LIST.append(Cell(gen=new_gen, xo=-1, yo=-1, mother=self))
+            #self.gen = 6
+
+    def on_mouse(self):
+        x, y = self.x + width / 2, self.y + height / 2
+        r = self.s() / 2
+        if (x - r < mouseX < x + r and
+                y - r < mouseY < y + r):
+            return True
+
+def save_frame():
+    global SAVE_FRAME
+    if SAVE_FRAME:
+        SAVE_FRAME = False
+        # saveFrame("45-######.tga")
\ No newline at end of file
diff --git a/s049/s049.pyde b/s049/s049.pyde
index 32f6cfaf..75b6cf90 100644
--- a/s049/s049.pyde
+++ b/s049/s049.pyde
@@ -60,7 +60,7 @@ class Cell():
             #     SAVE_FRAME = True
             if mousePressed and self.on_mouse():
                 self.divide()  # will create new sub-cells
-                SAVE_FRAME = True
+                #SAVE_FRAME = True
         # otherwise will recursively update sub-cells and draw a line to them
         else:
             for sub_cell in self.LIST:
@@ -72,7 +72,7 @@ class Cell():
         noStroke()
         fill(self.color)
         s = self.gen % len(NODE_DRAW)
-        NODE_DRAW[s)](self.x, self.y, self.s(), self.s())
+        NODE_DRAW[s](self.x, self.y, self.s(), self.s())
         fill(0)
         NODE_DRAW[s](self.x, self.y, 4, 4)
         #text(str(self.gen), self.x, self.y)
@@ -101,4 +101,4 @@ def save_frame():
     if SAVE_FRAME:
         SAVE_FRAME = False
         #if frameCount < 600: #and not frameCount % 3:
-        saveFrame("48-######.tga")
\ No newline at end of file
+        saveFrame("49-######.tga")
\ No newline at end of file
diff --git a/s050/s050.pyde b/s050/s050.pyde
new file mode 100644
index 00000000..869c48f3
--- /dev/null
+++ b/s050/s050.pyde
@@ -0,0 +1,52 @@
+import random as rnd
+
+LISTA = []
+MARGIN = 25
+
+def setup():
+    size(500, 500)
+    background(200)
+    noFill()
+    smooth(12)
+
+def draw():
+    for x, y, s, w, arrow, sub_list in LISTA:
+        strokeWeight(w)
+        for n in sub_list:
+            if arrow:
+                stroke(0)
+                seta(x, y, n[0], n[1], s, w*5)
+            else:
+                stroke(255)
+                line(x, y, n[0], n[1])
+        ellipse(x, y, s, s)
+
+
+def keyPressed():
+    background(200)
+    LISTA[:] = []
+    for _ in range(20):
+        LISTA.append((
+            random(MARGIN, width - MARGIN),  # x
+            random(MARGIN, height - MARGIN),  # y
+            rnd.choice([10, 20, 30]),  # size
+            rnd.choice([2, 3, 5]),  # strokeW
+            rnd.choice([True, False]),  # arrow
+            list()  # other nodes
+        ))
+    for node in LISTA:
+        random_node = rnd.choice(LISTA)
+        if random_node != node:
+            node[-1].append(random_node)
+
+
+def seta(x1, y1, x2, y2, encurta=12, head=12):
+    d = dist(x1, y1, x2, y2)
+    with pushMatrix():
+        translate(x2, y2)
+        angle = atan2(x1 - x2, y2 - y1)
+        rotate(angle)
+        offset = -encurta * .6
+        line(0, offset, 0, -d - offset)
+        line(0, offset, -head / 3, -head + offset)
+        line(0, offset, head / 3, -head + offset)
diff --git a/s050/sketch.properties b/s050/sketch.properties
new file mode 100644
index 00000000..2456b0ab
--- /dev/null
+++ b/s050/sketch.properties
@@ -0,0 +1,2 @@
+mode=Python
+mode.id=jycessing.mode.PythonMode