https://imgur.com/a/yEj917z

Here you go!

Stencils/masking is the way more straightforward and normal way to do this!

Sadly I don’t know of a way to do that on lemmy. I do have an Instagram (ti.prints) because selling your soul to Zuck seems to be the only way for artists to stand a chance of selling their work :/

Absolutely! So the metal is titanium, and the whole piece is submerged in a dilute electrolyte (baking soda is the MVP here). The entire plate gets charged up to 200V, then I use a pen plotter to bring my pen/cathode (ground) within a few hundred microns of the plate and let the current start flowing. At this point, everything affects the colors you get (temperature of bath, dwell time of cathode, conductivity of bath, spacing between my pen and the plate) because all of these factors affect how thick the anodized layer beneath the pen will be.

The physics of what color you get from a given thickness of anodized material is pretty well characterized already, my shtick is being able to locally control the anodization to make pictures like I’ve been posting.

Here’s a link to a terribly edited YouTube video I put up a few weeks ago on the process: https://youtu.be/xYB1iIjg5u0

And I also have a crude website at https://www.tiprints.com/

Thanks!

Thank you so much! Yes, the color comes from alterations from light reflection. It’s difficult to describe, but the changes in color you get from viewing angle aren’t as strong as what you get from a soap bubble, but they are definitely there. If you think of the colors you can get from this process in a spectrum, viewing angle can give you about a half step up or half step down. The spectrum runs from: tan, brown, deep blue, light blue, yellow, magenta, light blue again, purple, green, pearl scent.

I’ve found lighting makes a huge difference though - diffuse lighting like what I have around the house is great. I’ve got some prints hanging in a gallery that only has spot lights, for those you have to make sure there is a path for the light to bounce off the spotlight into your eyes or the whole print just looks faded and grey.

Assuming you somehow use up your original data cap in… Let’s say one incredibly data intensive day somehow. That leaves you with (30 days * 24 hrs/day) * 3600 seconds/hr * 256,000 bps = roughly 660 gigabytes. So I guess that’s probably the limit? Plus your original cap.

Applications like signal are encrypted at rest on your device as well - https://security.stackexchange.com/questions/277330/how-does-signal-protect-data-on-the-device-from-unauthorized-access

I gave it a run on Ubuntu touch with a fair phone like 8 months ago… It was still pretty rough then.

When training you’ll want way more VRAM than you need to run inference - get a 90 series GPU for the memory.

Beautiful shot!

Exactly - my “pen” is a stainless steel nail in a 3d printed housing.

I make the print by anodizing - I have a pen plotter I converted for this and I use the cathode as my ‘pen’ to print the image.

Thank you!

Very similar! Both colors are formed by oxide layers on the surface, I think with stainless steel it’s a mixture of iron and chrome oxides. In the case of titanium there is only one oxide, TiO2, which is transparent crystal (in thin forms). The TiO2 layer is thin, on the order of hundreds of nanometers so the colors you see are a result of light waves constructively and destructively interacting with the transparent layer of TiO2 on the surface of the titanium sheet.

Flawless logic, fantastic post