The keychain is large (6,8cm), opt for 75% or 50% but also small I do not know if with a nozzle 0.4mm we will see the writings well
For the double color if you use cura mine crash when I put both files at the same time.
So put the files one by one.
I didn't test the dual color but just the layer change at the layer 11. (if you print in 0.2mm)
Printer: Ender 3v2
Resolution: 0,2mm
Supports: No
Rafts: Doesn't Matter
Infill: none
The author marked this model as their own original creation.