Articles on Bolt-on, Plug-and-Play CNC, CNC Programming With Subroutines, CNC Milling Machine Conversion: Part 5 - Stepper Motor Mounting, Along the G-code Way: Cutter Comp and Loops, John Parsons: The Inventor of Numerical Control, The Mechatronist: Closed-loop Speed Control for the Turbine-powered Test, Digital Machinist Article Index.
Shipping is combined on multiple items if paid for at the same time.
I combine shipments for items purchased within the same week.
Second Chance offers are usually sent after the last item of the day.
If you are bidding on more than one item wait until the close of the last item and then request an invoice.
Ebay is bad at combining shipping. Do not pay until you receive the invoice from me with combined shipping.