Core XY Printer (mini)

https://youtu.be/bBFfMA0Oj6U
https://youtu.be/lLvmaVk5XrE
https://youtu.be/PqBDcfrTDcI

So I upgraded my ANET A4 to a 32-bit SKR v1.3 , 0.9 degree steppers, optical endstops and changed the original power-supply to 24v, and was wondering what to do with the extra parts so I decided to make a Core XY.
So here is what you could call an ANET Core XY (technically it's a Core YX). It is running Marlin 1.1.9 and has an SN4 induction sensor, an E3Dv6 with a removable magnetic build plate (cut down from an Ender replacement).

Marlin source changes are now in the download. (some settings are just because I'm recycling an old ANET board)
I added the Cura 4.3.0 settings I use. (it shows up under the images)

Yes it was made from hacking and remixing various models with Tinkercad, but some parts were made completely from scratch in Tinkercad (like the entire X-axis).
https://www.tinkercad.com/things/c1y6VWAC95D
I designed the carriage to clamp around the belts, once clamped down you c