diff --git a/libtest.png b/libtest.png
index d44fcae..ed4e1da 100644
Binary files a/libtest.png and b/libtest.png differ
diff --git a/readme.md b/readme.md
index 52bfadb..64560d5 100644
--- a/readme.md
+++ b/readme.md
@@ -3652,6 +3652,7 @@ Tubing and sleeving. The internal diameter can be forced to stretch it over some
 ### Vitamins
 | Qty | Module call | BOM entry |
 | ---:|:--- |:---|
+|   1 | ```tubing(CBNFIB10)``` |  Carbon fiber OD 10mm ID 8mm x 15mm |
 |   1 | ```tubing(HSHRNK16)``` |  Heatshrink sleeving ID 1.6mm x 15mm |
 |   1 | ```tubing(HSHRNK100)``` |  Heatshrink sleeving ID 10mm x 15mm |
 |   1 | ```tubing(HSHRNK24)``` |  Heatshrink sleeving ID 2.4mm x 15mm |
@@ -5740,6 +5741,7 @@ Simple tube or ring
 |:--- |:--- |
 | ```ring(or, ir)``` | Create a ring with specified external and internal radii |
 | ```tube(or, ir, h, center = true)``` | Create a tube with specified external and internal radii and height ```h``` |
+| ```woven_tube(or, ir, h, center= true, colour = grey(30)``` | Create a woven tube with specified external and internal radii, height ```h```, colours, warp and weft |
 
 ![tube](tests/png/tube.png)
 
diff --git a/tests/png/tubings.png b/tests/png/tubings.png
index 4231573..9443451 100644
Binary files a/tests/png/tubings.png and b/tests/png/tubings.png differ
diff --git a/tests/tubings.scad b/tests/tubings.scad
index faeec0b..be34a2e 100644
--- a/tests/tubings.scad
+++ b/tests/tubings.scad
@@ -22,7 +22,7 @@ use <../utils/layout.scad>
 include <../vitamins/tubings.scad>
 
 module tubings()
-    layout([for(t = tubings) tubing_od(t)], 10)
+    layout([for(t = tubings) tubing_od(t)], 8)
         tubing(tubings[$i]);
 
 if($preview)