diff --git a/vitamins/panel_meter.scad b/vitamins/panel_meter.scad
index f2472e6..4d1cc71 100644
--- a/vitamins/panel_meter.scad
+++ b/vitamins/panel_meter.scad
@@ -77,7 +77,6 @@ module panel_meter(type) { //! Draw panel mounted LCD meter module
     tab_z = pmeter_tab_z(type);
     pcb = pmeter_pcb(type);
     ap2 = pmeter_inner_ap(type);
-    pcb_h = pmeter_pcb_h(type) - bezel.z;
     buttons = pmeter_buttons(type);
 
     color("#94A7AB")
@@ -146,15 +145,16 @@ module panel_meter(type) { //! Draw panel mounted LCD meter module
                     translate(pmeter_inner_ap_o(type))
                         square([ap2.x, ap2.y], center = true);
                 }
-    if(pcb)
+    if(pcb) {
         vflip()
             translate_z(h - pcb_thickness(pcb) - pmeter_pcb_z(type))
                 pcb(pcb);
 
-    if(pcb_h > 0)
-        %translate_z(-pcb_h / 2 - eps)
-            cube([size.x - 2 * t - eps, size.y - 2 * t - eps, pcb_h], center = true);
-
+        pcb_h = pmeter_pcb_h(type) - bezel.z;
+        if(pcb_h > 0)
+            %translate_z(-pcb_h / 2 - eps)
+                cube([size.x - 2 * t - eps, size.y - 2 * t - eps, pcb_h], center = true);
+    }
     if(buttons)
         for(b = buttons)
             panel_meter_button(b);
diff --git a/vitamins/panel_meters.scad b/vitamins/panel_meters.scad
index 5e7df72..a2b6d5a 100644
--- a/vitamins/panel_meters.scad
+++ b/vitamins/panel_meters.scad
@@ -44,7 +44,7 @@ DSP5005   = ["DSP5005", "Ruideng DSP5005 Power supply module",                [7
 DSN_VC288PCB = ["", "", 41, 21, 1, 0, 0, 0, "green", false, [], [[ 5,  -3,   0, "jst_xh", 3], ], []];
 
 DSN_VC288 = ["DSN_VC288","DSN-VC288 DC 100V 10A Voltmeter ammeter",            [45.3, 26,   17.4], [47.8, 28.8, 2.5], 0,   [1, 1.8], [36, 18, 2.5], [],            0, 2,
-              [], 0, DSN_VC288PCB, 5];
+              [], 0, DSN_VC288PCB, 5, 0];
 
 panel_meters = [DSN_VC288, PZEM021, PZEM001, DSP5005];
 
diff --git a/vitamins/stepper_motor.scad b/vitamins/stepper_motor.scad
index 3d4aaad..e97d892 100644
--- a/vitamins/stepper_motor.scad
+++ b/vitamins/stepper_motor.scad
@@ -89,7 +89,7 @@ module NEMA(type, shaft_angle = 0) { //! Draw specified NEMA stepper motor
         tube(or = boss_rad, ir =  shaft_rad + 2, h = boss_height * 2); // raised boss
 
         linear_extrude(eps)
-            cap_shape(true);
+            cap_shape(1);
     }
 
     color(stepper_cap_colour)                                       // aluminium end caps