Quantity   Component name
1 × ESP14 For the GCODE interpreter (STM8) and the WiFi interface (ESP8266)
4 × ESP8266 stepper driver https://hackaday.io/project/18533-esp8266-stepper-driver
1 × beaded string Beads grip well so no slip on motor drives. I got mine from my wife's sewing stuff.
3 × sets of 3D printed parts for motor block More details when I make time to publish them
1 × effector Totally depends on what material is being printed. Simplest is a 60 mL syringe squeezed by threaded screw driven by stepper motor.
1 × hand controller (W1209 + ESP12) W1209 gives 3 keys and 3 7-seg LEDs; ESP12 gives WiFi and SD card reader