Hi, API is nice feature. But as far better is full special language that covers all what you need for making NC-programming. I was 10 years Sescoi's reseller for WorkNC products in Finland. WorkNC cost for enduser roughly 3 times more than eg. MasterCAM or alike. WorkNC was and is still fine product for mould machining. And only for that. It's price has come down nowadays. We left reseller status when Hexagon came and bought Sescoi. The marketing terms changed too much. BUT We suggest that You all check out what EXAPT have for CAD/CAM/PDO area. (PDO Production Data Organization). We make also Postprocessors for many CAM systems as a service. BG. [email protected] (www.titako.fi). :-)