Auto Z Contour Machining – Alphacam Tutorial – Lesson 31 November 23, 2019November 7, 2019admin Auto Z Contour Machining – Alphacam Tutorial In this lesson you will learn how to prepare an Auto Z contour machining. Donate CAD/CAM Lessons! Donate!7$5$10$15$20$25$30$40$50$99$