If you don't need customizations, you can simply print the standard v1.5b stick with the grid pattern
Thanks to this generator it is possible to make low sticks for the anbernic rg350. You can create sticks without grip, with grip (grid pattern) or you can customize it with text or an image.
The instructions are in the scad file
I thank James and Henry, their help has been invaluable to the creation of this model