Quantity   Component name
1 × Grizzly g0755 Benchtop Milling Machine Benchtop Milling Machine: http://www.grizzly.com/products/Heavy-Duty-Mill-Drill-with-Stand-and-Power-Feed/G0755
1 × 2 Horsepower Variable Frequency Drive I picked up a used Allen Bradley 1305 from eBay
30 × Terminal Blocks
1 × Opto-isolated relay board (4x 10A relays) For controlling the contactors (Z-Axis motor) from the microcontroller.
1 × ESP32-Wrover This ESP32 module has 4 Megabytes of PSRAM which enables development of rather large applications written in MicroPython. I got mine from http://analoglamb.com/
1 × Jog/Shuttle controls https://hackaday.io/project/158629-usb-hid-jog-wheels
2 × Geckodrive G203V Stepper Drivers Stepper motor drivers: https://www.geckodrive.com/g203v.html
1 × X Axis Ball Screw 900mm 1605 ball screw and nut
1 × Y Axis Ball Screw 350mm 1605 ball screw & nut
2 × NEMA34 Stepper Motors > 500 oz/inch holding torque.
2 × Timing Pulleys
1 × Timing Belts
1 × 2 Horsepower / 3 Phase Induction Motor Inverter rated 3 phase motor to match the VFD
1 × Wiring Cabinet Any suitable case / enclosure for the electronics.