Software : Dolphin CAM Partmaster to generate the G Code. Machine : a Hartford VMC 850, BT40 spindle. Material : 9mm thick industrial formica. 12MM coated HSS end mill.
A. Outside profile roughing & finish pass. Chamfering the outside edge.
B .Drilling 6mm holes then using a 3mm end mill to "counter bore" the holes 4mm deep, 8mm diameter.
C. Remachine the slot and begin chamfering with the correct tool offset.