Decision Time!

For some unknown reason (jk the reasons are known) I’m currently leaning towards the BIGTREETECH

Probably because the MPCNC and Lowrider both link to that control board: https://docs.v1e.com/lowrider/

FluidNC on an ESP32

https://www.tindie.com/products/33366583/6-pack-universal-cnc-controller/

BIG TREE Octopus Pro (446 Chip)

https://www.amazon.com/BIGTREETECH-Motherboard-Compatible-Firmware-Raspberry/dp/B09HWVG47Q

Stepper Drivers

TMC5160 should be more than plenty: https://www.amazon.com/BIQU-Printer-TMC5160-Ultra-Silent-Driver-MKS/dp/B07QPS7846

Parts list

Helpful resource links

Software