The U-Marq CX-5 engraving machine will do all of the process you are
looking to do. It is one of the best machines on the market today.
It will do diamond drag on flat surface, domed surfaces (using the
Depth Profile), deep engraving, ring and bangles inside and outside
engraving, name or special shape cut outs, engraves glass, wine
bottles, wine glasses. The CX-5 is an easy machine to use and to set
up. Large work surface 9" x7", cylinder engraving 12.5" x 5.5",
glass engraving 180 degree rotation, industrial engraving 9" x 7".
Vise opening 14".
I hope this helps.
Technical Support Specialist
Rio Grande, A Berkshire Hathaway Company