Z Contour Roughing – Alphacam Tutorial – Lesson 47 December 9, 2019November 7, 2019admin Z Contour Roughing – Alphacam Tutorial In this lesson, we will begin 3-axis machining. At the beginning we will prepare a 3-axis roughing. Donate CAD/CAM Lessons! Donate!7$5$10$15$20$25$30$40$50$99$