You can check cnc spindle +rotary ,it is main for wood rather than glass , i guess that 95% ,you should choose laser after compare .
Desktop cnc router with rotary engraving cylinder wood
https://youtu.be/4dtjCUtGOXk
1325 ON SIDE
http://youtu.be/QRGVoaIk-Vg
1530 CLYIDER
http://youtu.be/u-0sEV5S5vg
Rotary on the table engraving cylinder wood 2
http://youtu.be/fmfO13onEFE
http://youtu.be/Bq2aCtPzMQI