diff --git a/readme.md b/readme.md
index 783e48f..88b0a5c 100644
--- a/readme.md
+++ b/readme.md
@@ -2212,6 +2212,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | ```smd_resistor(RES0603, 1K)``` |  SMD resistor 0603 1K 0.1W |
 |   1 | ```smd_resistor(RES0805, 1K)``` |  SMD resistor 0805 1K 0.125W |
 |   1 | ```smd_resistor(RES1206, 1K)``` |  SMD resistor 1206 1K 0.25W |
+|   1 | ```square_button(button_4p5mm)``` |  Square button 4.5mm |
 |   1 | ```square_button(button_6mm)``` |  Square button 6mm |
 |   1 | ```pcb(TMC2130)``` |  TMC2130 |
 |   1 | ```green_terminal(gt_5p08, 2)``` |  Terminal block 2 way 0.2" |
diff --git a/tests/PCB.scad b/tests/PCB.scad
index de27bf1..06b2e30 100644
--- a/tests/PCB.scad
+++ b/tests/PCB.scad
@@ -121,7 +121,8 @@ test_pcb = ["TestPCB", "Test PCB",
         [ 70, 130, 180, "term35", 3, "lime"],
         [ 50, 150,   0, "transition", 5],
         [ 50, 160,   0, "block", 10, 5, 8, "orange"],
-        [ 50, 170,   0, "button_6mm"],
+        [ 45, 170,   0, "button_6mm"],
+        [ 55, 170,   0, "button_4p5mm"],
         [ 50, 185,   0, "microswitch", small_microswitch],
         [ 52, 200,   0, "pcb", 11, TMC2130 ],
         [ 80, 200,   0, "pdip", 24, "27C32", true, inch(0.6) ],
diff --git a/tests/png/pcb.png b/tests/png/pcb.png
index 5131fe6..484d917 100644
Binary files a/tests/png/pcb.png and b/tests/png/pcb.png differ
diff --git a/vitamins/pcb.scad b/vitamins/pcb.scad
index 32ad7b6..1c68442 100644
--- a/vitamins/pcb.scad
+++ b/vitamins/pcb.scad
@@ -940,6 +940,7 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
         if(!cutouts) {
             // Components that don't have a cutout parameter go in this section
             if(show(comp, "button_6mm"))    square_button(button_6mm);
+            if(show(comp, "button_4p5mm"))  square_button(button_4p5mm);
             if(show(comp, "microswitch"))   translate_z(microswitch_thickness(comp[4])/2) microswitch(comp[4]);
             if(show(comp, "pcb"))           translate_z(comp[4]) pcb(comp[5]);
             if(show(comp, "standoff"))      standoff(comp[4], comp[5], comp[6], comp[7]);