Lithophane has clarity issue, kindly help me out

I am using spindle with 12000 RPM. kindly check the tool path parameters and pic of the lithophane.
It is on 3mm cast acrylic sheet.
Thanks in advance.

A 1/8" bit will only get so much detail. Looks pretty good for the size.

Could anyone suggest the milling bit size for this one?
Lithophane size 5"*3"

When I cut lithophanes I use a tapered ball nose with a 0.5mm radius tip.

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They are using MeshCam. And, I would agree about removing more material.

This is MeshCam.

Ok, Thanks!