diff --git a/vitamins/component.scad b/vitamins/component.scad
index c2cd96d..b5372d9 100644
--- a/vitamins/component.scad
+++ b/vitamins/component.scad
@@ -161,13 +161,13 @@ module al_clad_resistor(type, value, leads = true) { //! Draw an aluminium clad
                 }
         linear_extrude(thickness)
             difference() {
-                for(end = [-1, 1])
-                    translate([end * (length - tab) / 2, end * (width - width / 2) / 2])
-                        square([tab, width / 2], center = true);
+                union()
+                    for(end = [-1, 1])
+                        translate([end * (length - tab) / 2, end * (width - width / 2) / 2])
+                            square([tab, width / 2], center = true);
 
                 al_clad_resistor_hole_positions(type)
                     circle(d = al_clad_hole(type));
-
             }
         if(leads) {
             translate_z(height / 2)
diff --git a/vitamins/smd.scad b/vitamins/smd.scad
index ace1649..fcb71a5 100644
--- a/vitamins/smd.scad
+++ b/vitamins/smd.scad
@@ -62,9 +62,10 @@ module smd_led(type, colour, cutout) { //! Draw an SMD LED with specified ```col
                 intersection() {
                     square([size.x, size.y], center = true);
 
-                    for(end = [-1, 1])
-                        translate([end * size.x / 2, 0])
-                            ring(or = r, ir = r / 2);
+                    union()
+                        for(end = [-1, 1])
+                            translate([end * size.x / 2, 0])
+                                ring(or = r, ir = r / 2);
                 }
 
         color(colour, 0.9)