diff --git a/lib.scad b/lib.scad
index 3c91165..2f76514 100644
--- a/lib.scad
+++ b/lib.scad
@@ -35,7 +35,6 @@ include <vitamins/displays.scad>
 include <vitamins/extrusions.scad>
 include <vitamins/extrusion_brackets.scad>
 include <vitamins/geared_steppers.scad>
-include <vitamins/green_terminals.scad>
 include <vitamins/hot_ends.scad>
 include <vitamins/inserts.scad>
 include <vitamins/kp_pillow_blocks.scad>
diff --git a/libtest.png b/libtest.png
index 0f6d26b..7f560a1 100644
Binary files a/libtest.png and b/libtest.png differ
diff --git a/readme.md b/readme.md
index f806491..e8cac18 100644
--- a/readme.md
+++ b/readme.md
@@ -2305,10 +2305,11 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | ---:|:--- |:---|
 |   1 | `pcb(ArduinoLeonardo)` |  Arduino Leonardo |
 |   1 | `pcb(ArduinoUno3)` |  Arduino Uno R3 |
+|   1 | `pcb(BTT_SKR_V1_4_TURBO)` |  BigTreeTech SKR v1.4 Turbo |
 |   1 |  |  Cat 5 patch cable 300mm |
 |   1 | `d_plug(DCONN15, pcb = true)` |  D-type 15 way PCB mount plug |
 |   1 | `pcb(DuetE)` |  Duet 2 Ethernet electronics |
-|   1 | `pcb(Duex2)` |  Duex2 expansion board |
+|   1 | `pcb(Duex2)` |  Duex2 expansion board - not shown |
 |   1 | `pcb(Duex5)` |  Duex5 expansion board |
 |   1 | `pcb(ESP-01)` |  ESP-01 |
 |   1 | `pcb(EnviroPlus)` |  Enviro+ |
@@ -2316,13 +2317,15 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(Keyes5p1)` |  Keyes5.1 Arduino Uno expansion board |
 |   1 | `pcb(MP1584EN)` |  MP1584EN 3A buck converter |
 |   1 | `pcb(MT3608)` |  MT3608 boost converter module |
+|   1 | `pcb(Melzi)` |  Melzi electronics - not shown |
 |   4 |  |  Micro SD card |
+|   1 |  |  Micro SD card - not shown |
 |   1 | `molex_254(2)` |  Molex KK header 2 way |
 |   1 | `molex_254(3)` |  Molex KK header 3 way |
 |  16 | `nut(M2_nut, nyloc = true)` |  Nut M2 x 1.6mm nyloc |
 |  34 | `nut(M2p5_nut, nyloc = true)` |  Nut M2.5 x 2.2mm nyloc |
-|  12 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
-|  12 | `nut(M4_nut, nyloc = true)` |  Nut M4 x 3.2mm nyloc |
+|  16 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
+|   8 | `nut(M4_nut, nyloc = true)` |  Nut M4 x 3.2mm nyloc |
 |   1 | `pcb(PI_IO)` |  PI_IO V2 |
 |   1 | `pcb(PSU12V1A)` |  PSU 12V 1A |
 |   1 | `pcb(PERF60x40)` |  Perfboard 60 x 40mm |
@@ -2344,15 +2347,17 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   4 | `screw(M2p5_pan_screw, 30)` |  Screw M2.5 pan x 30mm |
 |   4 | `screw(M3_cap_screw, 16)` |  Screw M3 cap x 16mm |
 |   8 | `screw(M3_cap_screw, 30)` |  Screw M3 cap x 30mm |
-|  12 | `screw(M4_cap_screw, 35)` |  Screw M4 cap x 35mm |
+|   4 | `screw(M3_cap_screw, 35)` |  Screw M3 cap x 35mm |
+|   8 | `screw(M4_cap_screw, 35)` |  Screw M4 cap x 35mm |
 |   1 | `pcb(TP4056)` |  TP4056 Li-lon Battery charger module |
 |   3 | `terminal_35(2)` |  Terminal block 2 way 3.5mm |
 |   2 | `green_terminal(gt_2p54, 4)` |  Terminal block 4 way 0.1" |
+|   1 |  |  USB A to Mini B lead - not shown |
 |   1 | `pcb(WD2002SJ)` |  WD2002SJ Buck Boost DC-DC converter |
 |  16 | `washer(M2_washer)` |  Washer  M2 x 5mm x 0.3mm |
 |  34 | `washer(M2p5_washer)` |  Washer  M2.5 x 5.9mm x 0.5mm |
-|  12 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
-|  12 | `washer(M4_washer)` |  Washer  M4 x 9mm x 0.8mm |
+|  16 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
+|   8 | `washer(M4_washer)` |  Washer  M4 x 9mm x 0.8mm |
 |   1 | `pcb(ZC_A0591)` |  ZC-A0591 ULN2003 driver PCB |
 
 ### Printed
@@ -2370,11 +2375,11 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   4 | pcb_spacer25170_2.stl |
 |   4 | pcb_spacer25200.stl |
 |   4 | pcb_spacer25210.stl |
-|   2 | pcb_spacer2590.stl |
+|   2 | pcb_spacer2580.stl |
 |   4 | pcb_spacer30180.stl |
 |   4 | pcb_spacer30190.stl |
+|   4 | pcb_spacer30220.stl |
 |   4 | pcb_spacer3050.stl |
-|   4 | pcb_spacer40220.stl |
 |   4 | pcb_spacer40230.stl |
 |   4 | pcb_spacer40240.stl |
 
diff --git a/tests/PCBs.scad b/tests/PCBs.scad
index ce09067..58403c7 100644
--- a/tests/PCBs.scad
+++ b/tests/PCBs.scad
@@ -21,8 +21,10 @@ include <../vitamins/pcbs.scad>
 
 use <../utils/layout.scad>
 
+function spacing(p) = let(w = pcb_width(p)) w < 22 ? w + 3 : w + 10;
+
 module pcbs() {
-    layout([for(p = pcbs) pcb_width(p)], 10)
+    layout([for(p = pcbs) spacing(p)], 0)
         translate([0, pcb_length(pcbs[$i]) / 2])
             rotate(90)
                 pcb_assembly(pcbs[$i], 5 + $i, 3);
@@ -31,6 +33,10 @@ module pcbs() {
         layout([for(p = perfboards) pcb_length(p)], 10)
             translate([0, -pcb_width(perfboards[$i]) / 2])
                 pcb_assembly(perfboards[$i], 5 + $i, 3);
+
+    for(p = pcbs_not_shown)
+        hidden()
+            pcb(p);
 }
 if($preview)
     pcbs();
diff --git a/tests/png/pcbs.png b/tests/png/pcbs.png
index f678f34..d8b814e 100644
Binary files a/tests/png/pcbs.png and b/tests/png/pcbs.png differ
diff --git a/vitamins/pcbs.scad b/vitamins/pcbs.scad
index 063565d..20db9b2 100644
--- a/vitamins/pcbs.scad
+++ b/vitamins/pcbs.scad
@@ -558,7 +558,9 @@ ESP_01 = [
     [] // accessories
 ];
 
-pcbs = [MP1584EN, TP4056, ESP_01, MT3608, RAMPSEndstop, ExtruderPCB, PI_IO, ZC_A0591, RPI0, EnviroPlus, ArduinoUno3, ArduinoLeonardo, Keyes5p1, PSU12V1A, WD2002SJ, RPI3, RPI4, BTT_SKR_V1_4_TURBO, DuetE, Duex2, Duex5];
+pcbs = [MP1584EN, TP4056, ESP_01, RAMPSEndstop, MT3608, PI_IO, ExtruderPCB, ZC_A0591, RPI0, EnviroPlus, ArduinoUno3, ArduinoLeonardo, Keyes5p1, PSU12V1A, WD2002SJ, RPI3, RPI4, BTT_SKR_V1_4_TURBO, DuetE, Duex5];
+
+pcbs_not_shown = [Melzi, Duex2];
 
 perfboards = [PERF74x51, PERF70x50, PERF60x40, PERF70x30, PERF80x20];