this post was submitted on 11 Jun 2025
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This week is and will continue to be a hobby black hole... Sunday morning I am going to a local tech flea market to try and offload a ton of superfluous crap I've accumulated since I went and sold a bunch of crap last year lol. Laptops, the spare 3D printer I don't use, random electronic gizmos, the works...It's all currently in a massive pile in my kitchen. It's been a ton of work to curate and price everything, and I can tell that it's going to come down to the wire.
Once that's passed, though, I want to get back to the art project I was working on, I want to try and print Moire interference patterns with 3-d printed "wood"block rollers. That, and working on actually starting up my homelab and diving into that world.
Wow, I never knew that phenomenon had a name! It's really cool!! If your plan works, will you post a picture of it somewhere? Also would you mind if I tried it in my library makerspace, think they'd really like that.
I couldn't possibly mind, go for it! I stumbled across an album cover with the effect (Trails by The Floating Mountain Band, 29 minutes of interesting ambient) a while back and thought "Huh, that's really cool, I wonder if I could make some...", and squirreled the idea away for another day. It is very similar to the other art I already have on my walls.
I am working on trying to see how small of a line pattern I can get with various printer nozzles. The best results are with the 0.2mm nozzle, but printing the whole roller I want (3" in diameter, 4" wide), is going to take over 24 hours to print. I have a roller designed for 0.4mm nozzles, and I just need to print it and try it out. I'm trying to figure out what kind of ink and paper would work good. I'm thinking I might need some kind of soft rubber mat to lay the paper on, as a hard plastic roller won't do a great job of transferring ink to a hard, stiff surface like paper on a tabletop. I got some cheap water-based paint that I am going to thin out a bit with some water just to test, I have NO idea how that will turn out haha.
I will definitely make a post about it somewhere when I get some kind of satisfactory result! I'll probably post at least the simple roller model for others to print.
Maybe a dual extrusion printer, to do the fine parts in a small nozzle and the rest in a big one? I've tried using TPU and flexy PHA for stamps and didn't get good ink transfer with them, although some people have. A rubber mat underneath is a great idea! Alternatively, lasering/CNCing rubber is not super difficult and works well for stamps. This is a neat project, can't wait to see it!