diff --git a/printed/camera_housing.scad b/printed/camera_housing.scad
index b941aa3..fa907b9 100644
--- a/printed/camera_housing.scad
+++ b/printed/camera_housing.scad
@@ -284,7 +284,7 @@ module camera_bracket(cam) { //! Make the STL for the camera bracket
 }
 
 module camera_assembly(cam, angle = 0) //! Camera case assembly
-assembly(str("camera_", cam[0])) {
+assembly(str("camera_", cam[0]), ngb = true) {
     front = cam_front_size(cam);
     screw = pcb_screw(camera_pcb(cam));
     nut = screw_nut(screw);
diff --git a/printed/corner_block.scad b/printed/corner_block.scad
index aed34fa..e5fd608 100644
--- a/printed/corner_block.scad
+++ b/printed/corner_block.scad
@@ -117,7 +117,7 @@ module corner_block(screw = def_screw, name = false) { //! Generate the STL for
 }
 
 module corner_block_assembly(screw = def_screw, name = false) //! The printed block with inserts
-assembly(str("corner_block_M", 20 * screw_radius(screw))) {
+assembly(str("corner_block_M", 20 * screw_radius(screw)), ngb = true) {
     insert = screw_insert(screw);
 
     stl_colour(name ? pp2_colour : pp1_colour)
diff --git a/printed/drag_chain.scad b/printed/drag_chain.scad
index 7530faa..63fb768 100644
--- a/printed/drag_chain.scad
+++ b/printed/drag_chain.scad
@@ -311,7 +311,7 @@ module _drag_chain_assembly(type, pos = 0, render = false) {
 //! 1. Remove the support material from the links with side cutters.
 //! 1. Clip the links together with the special ones at the ends.
 module drag_chain_assembly(type, pos = 0, render = false)  //! Drag chain assembly
-    assembly(str(drag_chain_name(type), "_drag_chain"), big = true)
+    assembly(str(drag_chain_name(type), "_drag_chain"), big = true, ngb = true)
         if($children == 2)
             _drag_chain_assembly(type, pos, render) {
                 children(0);
diff --git a/printed/fixing_block.scad b/printed/fixing_block.scad
index 3611af9..f9e8a04 100644
--- a/printed/fixing_block.scad
+++ b/printed/fixing_block.scad
@@ -106,7 +106,7 @@ module fixing_block(screw = def_screw) { //! Generate the STL
 }
 
 module fixing_block_assembly(screw = def_screw) pose([55, 180, 25], [0, 4.8, 4.8]) //! Printed part with the inserts inserted
-assembly(str("fixing_block_M", 20 * screw_radius(screw))) {
+assembly(str("fixing_block_M", 20 * screw_radius(screw)), ngb = true) {
     translate_z(fixing_block_height(screw))
         rotate([0, 180, 0])
             stl_colour(pp1_colour) render() fixing_block(screw);
diff --git a/printed/flat_hinge.scad b/printed/flat_hinge.scad
index 8c4fc17..1242669 100644
--- a/printed/flat_hinge.scad
+++ b/printed/flat_hinge.scad
@@ -129,7 +129,7 @@ module hinge_both(type) { //! Both parts together for printing
 }
 
 module hinge_assembly(type, angle = 0)
-assembly(str("hinge_", type[0])) { //! Assembled hinge
+assembly(str("hinge_", type[0]), ngb = true) { //! Assembled hinge
     kr = hinge_knuckle_dia(type) / 2;
     hr = hinge_pin_dia(type) / 2;
     w = hinge_width(type);
diff --git a/printed/foot.scad b/printed/foot.scad
index d55a3e3..b1aee55 100644
--- a/printed/foot.scad
+++ b/printed/foot.scad
@@ -132,7 +132,7 @@ module insert_foot(type = insert_foot) { //! Generate STL for foot with insert
 //! Place the insert in the bottom of the foot and push home with a soldering iron with a conical bit heated to 200°C.
 //
 module insert_foot_assembly(type = insert_foot) //! Printed part with insert in place
-assembly("insert_foot") {
+assembly("insert_foot", ngb = true) {
     screw = foot_screw(type);
     insert = screw_insert(screw);
 
diff --git a/printed/handle.scad b/printed/handle.scad
index 881fc60..8cc1fca 100644
--- a/printed/handle.scad
+++ b/printed/handle.scad
@@ -81,7 +81,7 @@ module handle_stl() { //! generate the STL
 //! Place inserts in the bottom of the posts and push them home with a soldering iron with a conical bit heated to 200°C.
 //
 module handle_assembly() pose([225, 0, 150], [0, 0, 14]) //! Printed part with inserts in place
-assembly("handle") {
+assembly("handle", ngb = true) {
     translate_z(handle_height())
         stl_colour(pp1_colour) vflip() handle_stl();
 
diff --git a/printed/printed_pulleys.scad b/printed/printed_pulleys.scad
index f5ae327..b7368a1 100644
--- a/printed/printed_pulleys.scad
+++ b/printed/printed_pulleys.scad
@@ -180,7 +180,7 @@ module printed_pulley(type) { //! Draw a printable pulley
 }
 
 module printed_pulley_assembly(type, colour = pp1_colour) //! Draw a printed pulley with its grub screws in place
-assembly(str("printed_pulley_", type[0])) {
+assembly(str("printed_pulley_", type[0]), ngb = true) {
     translate_z(pulley_offset(type)) {
         stl_colour(colour)
             if(printed_pulley_inverted(type))
diff --git a/printed/psu_shroud.scad b/printed/psu_shroud.scad
index 8343fc9..689a96c 100644
--- a/printed/psu_shroud.scad
+++ b/printed/psu_shroud.scad
@@ -143,7 +143,7 @@ module psu_shroud(type, cable_d, name, cables = 1) { //! Generate the STL file f
  }
 
 module psu_shroud_assembly(type, cable_d, name, cables = 1) //! The printed parts with inserts fitted
-assembly(str("PSU_shroud_", name)) {
+assembly(str("PSU_shroud_", name), ngb = true) {
 
     translate_z(psu_shroud_height(type))
         vflip()
diff --git a/printed/ribbon_clamp.scad b/printed/ribbon_clamp.scad
index 6bbd41b..0eb7952 100644
--- a/printed/ribbon_clamp.scad
+++ b/printed/ribbon_clamp.scad
@@ -82,7 +82,7 @@ module ribbon_clamp(ways, screw = screw) { //! Generate STL for given number of
 }
 
 module ribbon_clamp_assembly(ways, screw = screw) pose([55, 180, 25])  //! Printed part with inserts in place
-    assembly(let(screw_d = screw_radius(screw) * 2)str("ribbon_clamp_", ways, screw_d != 3 ? str("_", screw_d) : "")) {
+    assembly(let(screw_d = screw_radius(screw) * 2)str("ribbon_clamp_", ways, screw_d != 3 ? str("_", screw_d) : ""), ngb = true) {
     h = ribbon_clamp_height(screw);
     insert = screw_insert(screw);
 
diff --git a/printed/screw_knob.scad b/printed/screw_knob.scad
index 19a06e7..c97f319 100644
--- a/printed/screw_knob.scad
+++ b/printed/screw_knob.scad
@@ -59,7 +59,7 @@ module screw_knob(screw) { //! Generate the STL for a knob to fit the specified
 
 //! Place the screw through the printed part
 module screw_knob_assembly(screw, length) //! Assembly with the screw in place
-assembly(str("screw_knob_M", 20 * screw_radius(screw), "_", length)) {
+assembly(str("screw_knob_M", 20 * screw_radius(screw), "_", length), ngb = true) {
     translate_z(knob_height)
         vflip()
             stl_colour(pp1_colour) screw_knob(screw);
diff --git a/printed/ssr_shroud.scad b/printed/ssr_shroud.scad
index 5fbb335..066a8e7 100644
--- a/printed/ssr_shroud.scad
+++ b/printed/ssr_shroud.scad
@@ -107,7 +107,7 @@ module ssr_shroud(type, cable_d, name) {    //! Generate the STL file for a spec
 }
 
 module ssr_shroud_assembly(type, cable_d, name) //! The printed parts with inserts fitted
-assembly(str("SSR_shroud_", name)) {
+assembly(str("SSR_shroud_", name), ngb = true) {
 
     translate_z(ssr_shroud_height(type))
         vflip()
diff --git a/printed/strap_handle.scad b/printed/strap_handle.scad
index e53e3f7..d78fb86 100644
--- a/printed/strap_handle.scad
+++ b/printed/strap_handle.scad
@@ -162,7 +162,7 @@ module strap_end(type = strap) { //! Generate the STL for end piece
 //! * Place the insert into the hole and push home with a soldering iron with a tapered bit heated to 200°C.
 //
 module strap_end_assembly(type = strap)
-assembly("strap_end") {
+assembly("strap_end", ngb = true) {
     stl_colour(pp1_colour)
         strap_end(type);
 
diff --git a/vitamins/veroboard.scad b/vitamins/veroboard.scad
index 41c7e6f..c53f13c 100644
--- a/vitamins/veroboard.scad
+++ b/vitamins/veroboard.scad
@@ -143,8 +143,8 @@ module vero_components(type, cutouts = false, angle = undef)
 
 module vero_cutouts(type, angle = undef) vero_components(type, true, angle); //! Make cutouts to clear components
 
-module veroboard_assembly(type, height, thickness, flip = false) //! Draw the assembly with components and fasteners in place
-assembly(vero_assembly(type)) {
+module veroboard_assembly(type, height, thickness, flip = false, ngb = false) //! Draw the assembly with components and fasteners in place
+assembly(vero_assembly(type), ngb = ngb) {
     screw = vero_screw(type);
     nut = screw_nut(screw);
     screw_length = screw_length(screw, height + thickness + vero_thickness(type), 2, nyloc = true);