Carl DeMaio on It’s Difficult To Read An Audiophile Guide As An Analogue Engineer.3drob on Weird Electric Jet Skis Are Hitting The Waves.ginandbacon on Squeezing Secrets Out Of An Amazon Echo Dot.Jeff on Cat Skull For Internet Connection Divination.Ostracus on Squeezing Secrets Out Of An Amazon Echo Dot.John Newton on High Noon For Daylight Savings Time.echodelta on Modern Dance Or Full-Body Keyboard? Why Not Both!.Maes on PCIe For Hackers: Extracting The Most.Rob Speed on Could 1080p Video Output From The RP2040 Be Possible?.Posted in 3d Printer hacks Tagged 3d printing, 3MF, prusa Post navigation So if your favorite tool doesn’t like 3MF, you could always add support for it yourself. So will you start using 3MF? Or are you already? The file format is open, they say. Prusa encourages you to upload models in 3MF even if you also add an STL copy for people who haven’t made the switch yet. The format isn’t really that new - it appeared around 2015 - but it hasn’t seen widespread adoption yet. If your slicer stores data into the file - as the Prusa one does - other people using the same software can grab your settings, too. The big deal, though, is that the file format won’t allow nonmanifold models and removes ambiguity so that everything nicely prints. The ZIP file is often shorter, too because of the compression. The file can contain one or more models, colors, slicing data, copyrights, images, and lots more. Turns out 3MF is actually a ZIP archive and it can contain lots of information. You might scale for inches and the file is set for millimeters, for example. Even properly formed files can be tough to work with. Worse still, as in our hypothetical example, there are no definition about how the triangles relate so you can create “bad” STL files. If you need any information about the part - like colors or materials. STL - short for stereolithography - is a simple format that just holds a bunch of triangles.
There’s a newer format available, 3MF, and Josef Prusa and Jakub Kočí would like you to start using it. Part of this is due to shortcomings in the STL file format. But the slicer complains it isn’t manifold or watertight or something like that. You download the STL, all ready to watch the magic of having it materialize on your print bed. You find that cool cat model on Thingiverse - we won’t judge.
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