diff --git a/readme.md b/readme.md
index 7b28605..4ba9933 100644
--- a/readme.md
+++ b/readme.md
@@ -3186,9 +3186,9 @@ When woven sheets (e.g. carbon fibre) are rendered it is necessary to specify th
 |   1 | ```sheet(PMMA3, 30, 30, 2)``` |  Sheet acrylic 30mm x 30mm x 3mm |
 |   1 | ```sheet(PMMA6, 30, 30, 2)``` |  Sheet acrylic 30mm x 30mm x 6mm |
 |   1 | ```sheet(PMMA8, 30, 30, 2)``` |  Sheet acrylic 30mm x 30mm x 8mm |
-|   2 | ```sheet(CF1, 30, 30, 2)``` |  Sheet carbon fiber 30mm x 30mm x 1mm |
-|   2 | ```sheet(CF2, 30, 30, 2)``` |  Sheet carbon fiber 30mm x 30mm x 2mm |
-|   2 | ```sheet(CF3, 30, 30, 2)``` |  Sheet carbon fiber 30mm x 30mm x 3mm |
+|   1 | ```sheet(CF1, 30, 30, 2)``` |  Sheet carbon fiber 30mm x 30mm x 1mm |
+|   1 | ```sheet(CF2, 30, 30, 2)``` |  Sheet carbon fiber 30mm x 30mm x 2mm |
+|   1 | ```sheet(CF3, 30, 30, 2)``` |  Sheet carbon fiber 30mm x 30mm x 3mm |
 |   1 | ```sheet(glass2, 30, 30, 2)``` |  Sheet glass 30mm x 30mm x 2mm |
 |   1 | ```sheet(Steel06, 30, 30, 2)``` |  Sheet mild steel 30mm x 30mm x 0.6mm |
 
diff --git a/vitamins/sheet.scad b/vitamins/sheet.scad
index 3646398..382ebc3 100644
--- a/vitamins/sheet.scad
+++ b/vitamins/sheet.scad
@@ -91,10 +91,11 @@ module render_sheet(type, colour = false, colour2 = false, w = undef, d = undef)
     t = sheet_thickness(type);
     colour = colour ? colour : sheet_colour(type);
     colour2 = colour2 ? colour2 : sheet_colour2(type);
-    color(woven ? colour2 : colour)
-        render()
-            scale([1, 1, woven ? (t - 2 * eps) / t : 1])
-                children();
+    let($dxf_colour = colour)
+        color(woven ? colour2 : colour)
+            render()
+                scale([1, 1, woven ? (t - 2 * eps) / t : 1])
+                    children();
 
     if(woven)
         for(side = [-1, 1], z = side * (t - eps) / 2)
@@ -102,7 +103,8 @@ module render_sheet(type, colour = false, colour2 = false, w = undef, d = undef)
                 woven_sheet(type, eps, colour, colour2, w, d)
                     projection(cut = true)
                         translate_z(-z)
-                            children();
+                            not_on_bom()
+                                children();
 }
 
 module render_2D_sheet(type, colour = false, colour2 = false, w = undef, d = undef) { //! Extrude a 2D sheet template and give it the correct colour
@@ -149,6 +151,8 @@ module woven_sheet(type, thickness, colour, colour2, w, d) {//! Create a woven 2
             linear_extrude(thickness)
                 intersection() {
                     chequerboard(1);
-                    children();
+
+                    not_on_bom()
+                        children();
                 }
 }