The grid works great. I have PLA-Cf to use for printing on a Bambulap X1.
Attached are the STEP files for further optimization or as a template for other projects.
To implement in a qidi x-max, you have to prepare some other things, like eliminate the suspension spirng, and the M4 threads must be drilled out to 4.5mm.
The author marked this model as their own original creation.