Problems with final product

[tonybell96]

Thanks, set the machine strategy to Raster and no line.... very strange indeed....'

[Pete Cyr]

Perhaps not, but it appears he is cutting a negative of the model - either there is an incorrect measurement of the material being cut or the setup is fouled somehow.

[Mike-S]

it appears he is cutting a negative of the model

Optical illusion because of lower left lighting and rotated picture, it's a normal carve.
I tried to duplicate and I believe you lost some Z steps during the carve. Since the middle zone is cut last, the change in Z showed up in that area.