I really don’t think this is a material issue.

This darker engrave on the left is completely out of focus compared to the lighter one. there’s no way the laser was focused properly for the left engrave. all detail is completely blown out.
I really don’t think this is a material issue.

This darker engrave on the left is completely out of focus compared to the lighter one. there’s no way the laser was focused properly for the left engrave. all detail is completely blown out.