Brian has just found the problem. It has to do with the latest fix to softlimits he did. You will see normal preview unless your work coordinates are zeroed way off the machine zero. Preview seems to follow machine zero.
I am wondering if I could fit this disc to that turret temporarily until I get the new one made, will measure tomorrow and see. Reprogramming the PLC and the indexing drive would not be an issue but whether it will be worth it I am not sure.
Why might it not work for you? I mean if all fits, why would it be temporary?
Phone is just a cheapo but suppose even the cheap ones nowadays have half decent cameras, think though the second pic was more to do with the light under the head of the mill making it look a bit fuzzy.