Art Share🎨

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Aye, sea turtles (infosec.pub)

submitted 1 week ago by scribbler@lemmy.world to c/artshare@lemmy.world

2 comments fedilink hide all child comments

It took me a lot longer than I expected to get this print out. In theory it was really straightforward, take my turtle image and feed it through similar code as what I used to make the jellyfish, but... I recently added a MOSFET into my print system so that I can control the anodizing current by pulsing that (instead of print speed/voltage), but it led to a ton of EMI issues messing with communication with the motor controller. After changing my grounding paths many times and receiving a few fun 200V shocks I just re-wrote my controller code to be more fault tolerant, and that seems to have done the trick!

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[–] Potatisen@lemmy.world 9 points 1 week ago (1 children)

That looks sick!

But what is the material?

[–] scribbler@lemmy.world 8 points 1 week ago

It's anodized titanium - I developed a process to 'draw' the anodization layer. The thickness of the anodization determines what colors you see due to some cool physics of reflection/refraction. I have a lot of fun with it, but the setup I've built is pretty klugey so I probably spend more time improving and maintaining that than I do making prints 😅