5 files changed, 16 insertions, 11 deletions
diff --git a/README.md b/README.md
index 5b22a7d..6191937 100644
--- a/README.md
+++ b/README.md
@@ -21,3 +21,6 @@ Making cool looking things for fun. They're all inside the [sketches](./sketches
 |-----------------------------------------|-----------------------------------------|
 | ![5.1](./sketches/05/screenshots/1.jpg) | ![5.2](./sketches/05/screenshots/2.jpg) |
 
+## 06: Magic circlular circles
+![6.1](./sketches/06/screenshots/1.jpg)
+
diff --git a/TODO.norg b/TODO.norg
index c514b0f..7bef785 100644
--- a/TODO.norg
+++ b/TODO.norg
@@ -1,17 +1,6 @@
-* Week
-  - (x) Mandelbrot | BQN + Glsl
-  - (x) Newton's fractals | Glsl
-  - ( ) Flow | Glsl
-  - (x) polka | Glsl
-  - ( ) Dragon deez nuts | Racket
-
 * Ideas
-  - Dragon fractal
-  - Newton's fractals
-  - Mandelbrot
   - Flow fields on image
   - Iterate over messytones
-  - Spinning poin (Future me note: what?)
   - Siperski triangle
   - 3d game of life
   - Webcam effects
diff --git a/justfile b/justfile
index 915a277..abbae5a 100644
--- a/justfile
+++ b/justfile
@@ -14,3 +14,4 @@ s5_run: (sketch "05" "racket" "dragon.rkt")
 s5:
   npx nodemon -e rkt -x 'clear && just s5_run'
 
+s6: (sketch "06" "glslViewer" "strange.frag")
diff --git a/sketches/06/screenshots/1.jpg b/sketches/06/screenshots/1.jpg
new file mode 100644
index 0000000..f8d02f8
--- /dev/null
+++ b/sketches/06/screenshots/1.jpg
diff --git a/sketches/06/strange.frag b/sketches/06/strange.frag
new file mode 100644
index 0000000..3abeb33
--- /dev/null
+++ b/sketches/06/strange.frag
@@ -0,0 +1,12 @@
+varying vec4 v_position;
+uniform vec2 u_resolution;
+uniform float u_time;
+
+void main() {
+  float ratio = u_resolution.x / u_resolution.y;
+  vec2 pos = v_position.xy/vec2(1.0, ratio);
+
+  float f = length(fract(pos * 10.0) - 0.5) * exp(-length(pos));
+  f = abs(sin(f*30. + u_time)/3.);
+  gl_FragColor = vec4(f*0.6, f*0.4, f*1.0, 1.0);
+}