diff --git a/2020/sketch_2020_10_04c/sketch_2020_10_04c.gif b/2020/sketch_2020_10_04c/sketch_2020_10_04c.gif
new file mode 100644
index 00000000..3af70213
Binary files /dev/null and b/2020/sketch_2020_10_04c/sketch_2020_10_04c.gif differ
diff --git a/2020/sketch_2020_10_04c/sketch_2020_10_04c.pyde b/2020/sketch_2020_10_04c/sketch_2020_10_04c.pyde
new file mode 100644
index 00000000..5b9db9a8
--- /dev/null
+++ b/2020/sketch_2020_10_04c/sketch_2020_10_04c.pyde
@@ -0,0 +1,79 @@
+from random import choice, sample
+
+elements = []
+pen = PVector()
+origin = PVector()
+border = 50
+
+def setup():
+    size(500, 500)
+    noFill()
+
+def generate(n=60):
+    global elements
+    origin.set(width / 2, height / 2)
+    pegs = (-20, -10, 0, 0, 10, 20)
+    elements = [(choice('LCCRM'),
+                 (choice(pegs), choice(pegs)),
+                 choice((1, 3)),)
+                for _ in range(n)]
+
+def draw():
+    background(220, 220, 240)
+    pen.set(origin)
+    draw_e(elements)
+    check_pen()
+
+
+def draw_e(els):
+    for i, e in enumerate(els):
+        stroke(0)
+        t, v, w = e
+        strokeWeight(w)
+        if t == 'L':
+            line_e(v)
+        if t == 'C':
+            line_e(v, c=w)
+        if t == 'M' and len(els) > 1:
+            for _ in range(3):
+                line_e(v)
+                draw_e([els[i - 2]])
+                # trans_e(-els[i - 1][1][0], -els[i - 1][1][1])
+                # print(els[i - 3:i - 1])
+        if t == 'R' and len(els) > 2:
+            for _ in range(3):
+                line_e(v)
+                line_e((v[1] / 2, -v[0] / 2))
+                draw_e([els[i - 1]])
+
+
+def check_pen():
+    # if (border * 1.5 < origin.x < width - border * 1.5
+    #         and border * 1.5 < origin.y < height - border * 1.5):
+        if pen.x >= width - border:
+            origin.x -= 1
+        elif pen.x < border:
+            origin.x += 1
+        if pen.y >= height - border:
+            origin.y -= 1
+        elif pen.y < border:
+            origin.y += 1
+
+def line_e(v, c=None):
+    line(pen.x, pen.y, pen.x + v[0], pen.y + v[1])
+    if c is not None:
+        if c != 1:
+            fill(0)
+        else:
+            noFill()
+        circle(pen.x, pen.y,
+               dist(0, 0, v[0], v[1]) / c ** 2)
+    trans_e(v[0], v[1])
+
+def trans_e(x, y):
+    global pen
+    pen += PVector(x, y)
+
+def keyPressed():
+    if key == ' ':
+        generate()
diff --git a/README.md b/README.md
index 9172994f..5832483e 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,12 @@ Some of the tools I have used:
 
 ---
 
+![sketch_2020_10_04c](2020/sketch_2020_10_04c/sketch_2020_10_04c.gif)
+
+[sketch_2020_10_04c](https://github.com/villares/sketch-a-day/tree/master/2020/sketch_2020_10_04c) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+
+---
+
 ![sketch_2020_10_03c](2020/sketch_2020_10_03c/sketch_2020_10_03c.gif)
 
 [sketch_2020_10_03c](https://github.com/villares/sketch-a-day/tree/master/2020/sketch_2020_10_03c) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]