hello,
I'm Martin de Roode and i have made an Engraving machine of wood.
here you can see the pictures how to make it and you can also see what you can make wih it.
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's possible to engrave mirrors and other glass. i hope you can learn something from it.greetings, Martin de Roode ( a Hobbyist, a WoodWorker a MetalWorker and a Glass Engraver)