Amazon.com: DC 5V 2-Phase 4-Wire Micro Stepper Motor Diameter 15mm 18 Degrees Full Metal Gearbox Precision Gear Motor Ratio 1:50 Mini Stepping Motor DIY for Robot Car Toy Model : Toys & Games
Stepper motor - NEMA-17 size - 200 steps/rev, 12V 350mA : ID 324 : $14.00 : Adafruit Industries, Unique & fun DIY electronics and kits
FYSETC High Temperature NEMA14 36mm Motor Stepper motor For Sherpa Mini Extruder Voron 2.4 Positron - AliExpress