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company quoting for it returns a much higher amount than a single colour
Just to be clear, as I think what I said was maybe misunderstood.
I have hollowgram arms, a plating company quoted only £20 plus postage to have them in pretty much any single colour. I thought £20 was cheap as fuck.
Another separate company wanted £60 to laser etch the logos back onto the arms once I had them back from the anodiser. Maybe I think the process is simpler than it really is but I just didn't think £60 was worth the bother.
But I've abandoned the plan anyway as I've now sold the hollowgrams. But I'm now thinking about what else I can get anodised since it's fairly cheap.
Anodising a pattern in Titanium in multiple block colours is quite easy because anodising Ti is done entirely with voltage and no dye.
I've seen it done where they anodise the whole frame, then mask off the pattern with a vinyl graphic, sandblast the areas where the second colour is and then re-anodise the whole lot. The second pass of anodising will only effect the sandblasted exposed area.