Sure, give it a try. Here' what I have so far. If I can post it here. It's the generic one.
Please check out the about page and look at some of the button macros to be sure that you know what's going to happen when clicked (mainly the 'Ref All' and 'Tool Zeroing' buttons). Although it's fashioned closely to the original Mach3 screen layout, there are some differences. Overall, it should feel quite familiar.
At this time the 'Program Run' page is fully functional along with the 'Diagnostics, About, G-code, and M-Code pages.
Place the folder of bitmaps in the Mach3/Bitmaps folder and the .set file in the Mach3 folder
No warranty expressed or implied.