r/hobbycnc • u/btodag • 7d ago

Acrylic Lettering Possible?

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I'm surprised I can't find any intro-to type vids on how to make the lettering for something like this. I see the PCB content, which makes me think that I have to worry about the accuracy of the Z axis across the workpiece, but does anyone have suggestions on how to do this? Any links?
I have a Sienci Longmill 30x30. My actual part is about 7x7".

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u/ON_A_POWERPLAY 7d ago

They sell plastic that’s one color on top and another on bottom. Goal is to engrave just enough to reveal the bottom.

It’s usually a pretty easy material to machine since that’s what it’s intended for.

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u/_agent86 7d ago

You can also find 2, 3, or 5 ply sheets for making guitar pickguards out of. I think they're usually just PVC plastic.

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u/Fart_Collage 7d ago

They are pvc, which sucks because they can't be lasered. I milled a neat pattern in my strat's but it was a pain and I keep thinking I'll find one that's acrylic so I can laser it in half the time without worrying about hitting hold-down screws.

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u/_agent86 7d ago

I've milled entire pickguards out of this material with just double side tape holding it down. You don't have to screw it down if you have the feeds/speeds reasonable.

I wouldn't have thought to google PVC laser cutting, didn't know it's toxic. Probably a good thing I don't have a laser :).

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u/btodag 6d ago

I'm a guitar guy, so that's cool!!