var tool = {units:'mm',diameter:2,passDepth:4,step:1,rapid:2000,plunge:100,cut:600,zClearance:5,returnHome:true};
var mc = new Millcrum(tool);
mc.surface(120,120);
var polygon = {type:'polygon',points:[
[50, 0],
[50, 50],
[100, 50],
[39, 60],
[50, 100],
[0,50],
]};
mc.cut('pocket', polygon, 6, [10,10]);
mc.get();
