3DPrinting
3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
The r/functionalprint community is now located at: !functionalprint@kbin.social or !functionalprint@fedia.io
There are CAD communities available at: !cad@lemmy.world or !freecad@lemmy.ml
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Besides the wear already mentioned you’ll definitely want to redo all your tuning. Retraction, pressure advance, etc is very different at that size. That applies to any nozzle diameter change but especially when you go smaller.
Also, if you’re going small for detail you may also want to focus on slowing down and finding the right temp to speed balance. Especially since there’s no point upping flow and losing quality.
I’ve done it a few times and had some luck but man the time to print was a pain. That being said I’ve never done anything like mini figs with a smaller nozzle but some have so definitely look for some resources there since the people who do that would be the best ones to give tips on getting quality from small nozzle FDM
For that reason I've always resolved that if I ever go for a smaller nozzle at some point I will probably get a smaller, cheaper dedicated printer to run that on exclusively, and leave my big printer for big stuff, with a bigger nozzle. Swapping back and forth between the two all the time sounds like a pain in the ass.
Re: the effects of nozzle wear being more noticeable with smaller sizes, I would probably also invest in a ruby or diamond nozzle -- which I've already done at 0.4 for my current main (and only) printer.
I've always been intrigued with being able to create finer details but honestly, since I don't do any tabletop or have any need to create miniatures I've never actually come up against anything I've modeled that my 0.4mm nozzle wasn't able to produce. I am occasionally surprised at some of the tiny details my printer is able to create which are still somehow smaller than its nozzle diameter. Presumably all down to slicers being significantly smarter these days than they were even a few short years ago.
That's actually why this is happening, lol. I got a bigger printer so my older smaller one is going to be just for tiny nozzle.