diff --git a/illusion/bidule2.svg b/illusion/bidule2.svg
new file mode 100644
index 0000000..9002f95
--- /dev/null
+++ b/illusion/bidule2.svg
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+
+<svg width="267.47mm" height="203.43mm" version="1.1" viewBox="0 0 267.47 203.43" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:xlink="http://www.w3.org/1999/xlink">
+
+
+  <_polygon points="115,68 131,49  164,57 148,75 " style="fill:none;stroke:purple;stroke-width:3" />
+  <_polygon points="110,117 127,97 161,104 144,124  " style="fill:none;stroke:purple;stroke-width:3" />
+
+<polygon points="115,68 148,75 161,104  127,97 115,68" style="fill:#6f6f6f" />
+
+    <_polygon points="115,68 131,49  164,57 148,75     110,117 127,97 161,104 144,124" style="fill:none;stroke:purple;stroke-width:3" />
+    <polygon points="115,68 131,49  164,57 148,75     161,104 144,124 110,117 127,97 115,68 " style="fill:none;stroke:purple;stroke-width:3" />
+
+</svg>