Brass Name plates

[WillAdams (William Adams (Carbide 3D))]

Diamond-drag engraving would work well — V carving might work well so long as the cutting depth doesn’t exceed the thickness of the plate.

While granite, the same principle would apply:

Engraving a picture in granite?

I’ve been wanting to try this for a while and came into some time over the holiday to experiment. I played around with different cross-hatch densities to come up with a gray-scale. Then took a high-contrast picture, converted it into gray-scale using 5 or 6 shades and converted those areas into engraving tool paths in v-carve for a diamond drag bit in black granite. Overall, it’s not spectacular, but I think it has promise. The drop off from light to dark needs to be more dramatic for the pi…

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V carving is just a matter of working up feeds and speeds which will cut well and won’t break off the tip of the V endmill (DAMHIKT).