Scalable Custom CoreXY (HICTOP hardware Converted to CoreXY)

I took my older acrylic body HICTOP Prusa i3, took it apart and with some more material (2020 extrudes, smooth rods, and a threaded rod, and some more belt) assembled it into a coreXY printer.

Everything is printed on my other customized HICTOP (Aluminium) printer. I am still tuning the printer and it seems to be very easily able to print at 0.05mm layers and 140mm/s print speed. I don't plan to run it that fast at all times, but it is quite impressive to watch. Now I understand why people u