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+====== Battle Brushbot Workshops ======
+OpenSCAD code:
+<code>
+//Facet Number
+$fn=100;
+difference () {
+// £1 coin model
+translate([0, 0, 0])
+    cylinder(h = 3.15, r1 = 11.25, r2 = 11.25, center = false);
+translate([0, 8, 0])
+    cylinder(h = 4.15, r1 = 1.5, r2 = 1.5, center = false);
+// Letters
+scale([1,1,-5])
+    rotate([0, 0, 0])
+        translate([-4, -6,-0.8])
+            linear_extrude(1) text("E", font="Liberation mono:style=Bold");
+}
+</code>
+D Module produced:
+[[File:code-a-coin.png|500px]]
+{{tag>workshop electronics}}