diff --git a/examples/mask_hook.scad b/examples/mask_hook.scad
new file mode 100644
index 00000000..7127dac9
--- /dev/null
+++ b/examples/mask_hook.scad
@@ -0,0 +1,52 @@
+band_width = 145;
+band_height = 24;
+thickness = 1;
+one_side_hook_numbers = 4;
+t = "openhome.cc";
+font_name = "Arial Black";
+font_size = 6;
+
+mask_hook();
+
+module mask_hook() {
+	module hook() {
+		difference() {
+			square([6, band_height * 0.95], center = true);
+			translate([-band_height * 0.625, 0])
+				circle(band_height / 1.5, $fn = 12);
+		}
+	}
+
+    r = band_height * 0.225;
+	x = band_width * 0.1425;
+	y = band_height / 3.35;
+	linear_extrude(thickness) {
+		square([band_width, band_height * 0.6], center = true);
+
+		hull() {
+			translate([x, y])
+				circle(r, $fn = 6);
+			translate([-x, y])
+				circle(r, $fn = 6);
+			translate([-x, -y])
+				circle(r, $fn = 6);
+			translate([x, -y])
+				circle(r, $fn = 6);
+		}
+	}
+
+	linear_extrude(thickness * 2) {
+		for(i = [0:one_side_hook_numbers - 1]) {
+			tp = [band_width / 2 - 3 - 10 * i, 0];
+			translate(tp)
+				hook();
+				
+			mirror([1, 0, 0])
+			translate(tp)
+				hook();
+		}
+	}
+	
+	linear_extrude(thickness * 2)
+	    text(t, font = font_name, size = font_size, valign="center", halign = "center");
+}
\ No newline at end of file