gistfile1.js

var padWidth = 1;

stack1 = stack({
    id: "stackS1",  //stack's unique name 
    "copper-top": rectangle({width: padWidth, height: (9.8-5.2)/2}) // or use variables to size it
});


stack2 = stack({
    id: "stack1",
    "copper-top": rectangle({width: padWidth/2, height: 0.4})
});