Magnets.md

+<table>
+  <tr>
+    <th colspan="2">3D force computation between a collection of magnets</th>
+  </tr>
+  <tr>
+    <td style="text-align:center"><img src="Magnets_screenshot1.png" width=100%></td>
+    <td style="text-align:center"><img src="Magnets_screenshot2.png" width=100%></td>
+  </tr>
+  <tr>
+    <th colspan="2"> Browse <a href="https://gitlab.onelab.info/doc/models/tree/master/Magnets/">model files</a></th>
+  </tr>
+</table>
+
+## Quick start
+
+To run the model, open `magnets.pro` with Gmsh.
+
+## Additional information
+
+The model uses either a magnetic scalar or vector potential formulation to solve
+the magnetostatic Maxwell system in three dimensions. The forces are computed
+using the Maxwell stress tensor.
+
+----
+*Model developed by @geuzaine*