Add simple model of tamper for espresso machine

tamper.scad

@@ -0,0 +1,30 @@
+// configuration values
+rb  = 57/2;
+h1  = 10;
+h2  = 80;
+fs  = 5;
+
+
+content = "TM";
+font = "Droid Sans Mono Bold";
+
+union () {
+  cylinder(r1=rb, r2=rb, h=2, $fn=50);
+  translate([0, 0, 2]) {
+    cylinder(r1=rb, r2=rb-2, h=h1, $fn=50);
+  }
+  cylinder(r1=10, r2=10, h=h2, $fn=50);
+  hull () {
+    translate ([0, 0, h2]) {
+      sphere(r=17, $fn=50);
+    }
+    translate ([0, 0, h1*3]) {
+      sphere(r=10, $fn=50);
+    }
+  }
+  translate ([-fs, -20, h1+2]) {
+    linear_extrude(height=1.5) {
+      text(content, font=font, size=fs);
+    }
+  }
+}