diff --git a/libtest.png b/libtest.png
index 06d0a00..ad67632 100644
Binary files a/libtest.png and b/libtest.png differ
diff --git a/readme.md b/readme.md
index 91a8c63..43f5f11 100644
--- a/readme.md
+++ b/readme.md
@@ -356,6 +356,7 @@ Individual teeth are not drawn, instead they are represented by a lighter colour
 |   1 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 128mm |
 |   1 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 552mm |
 |   2 | `belt(GT2x6, [ ... ])` |  Belt GT2 x 6mm x 556mm |
+|   1 | `belt(GT2x9, [ ... ])` |  Belt GT2 x 9mm x 128mm |
 |   1 | `belt(T2p5x6, [ ... ])` |  Belt T2.5 x 6mm x 130mm |
 |   1 | `belt(T5x10, [ ... ])` |  Belt T5 x 10mm x 130mm |
 |   1 | `belt(T5x6, [ ... ])` |  Belt T5 x 6mm x 130mm |
diff --git a/tests/png/belts.png b/tests/png/belts.png
index bc3a20b..c0fe18c 100644
Binary files a/tests/png/belts.png and b/tests/png/belts.png differ