diff --git a/README.md b/README.md
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@@ -7,3 +7,4 @@
 1. Color Transfer via Discrete Optimal Transport using the sliced
    approach: [[Note]](https://codimd.math.cnrs.fr/s/s_rh7X9wF), [[Code]](https://github.com/dcoeurjo/CGDI-Practicals/tree/main/1-SlicedOptimalTransport)
 2. Rasterization, z-Buffer and Winding Numbers: [[Note]](https://codimd.math.cnrs.fr/s/1L-PBLbFW)
+3. 3d modeling and geometry processing (1) [[Note]](https://codimd.math.cnrs.fr/s/4HjiHCH9z)