Index: doc/user/09_appendix/formats.html
===================================================================
--- doc/user/09_appendix/formats.html	(revision 36006)
+++ doc/user/09_appendix/formats.html	(revision 36007)
@@ -424,6 +424,10 @@
 n/a
  <td>
   stl (3d triangulated surface model)
+  <br>
+  amf (Additive Manufacturing File, surface model)
+  <br>
+  pro (projector: 3d rendering)
 <tr><th>export_svg
 <td>no
 <td>works