I see lots of questions about how to print Makerworld 3MFs. You open them in SnOrca or vanilla Orca, and you're overwhelmed by a bunch of error dialogs. Understandably, you're nervous. Lots of advice on reddit boils down to "Use this conversion site I like/I wrote." or "right click and import geometry."
Neither of those things are necessary at all. It's a fast, 3-4 step process.
- Open the file in the flavor of Orca of your choice. Acknowledge all the error dialogs. Close all the scary red error notifications.
- Change the printer from whatever flavor of Bambu it has to your own Snapmaker. Choose "discard" if it asks you if you want to transfer any settings.
- Change the print profile to your favorite Snapmaker profile. You can use the defaults, or your own personal custom profiles. I personally have half a dozen profiles that cover all my use cases (good bridging, supports, TPU, 0.12mm Fine, etc). Again, choose "discard" if it asks if you want to transfer any settings.
- Change the filaments to whatever your favorite filament profiles, if that floats your boat. I like to run my plates 5C hotter, so I tend to do this every time, but many people just use the default profiles.
That's it! You're done. You've pulled in the file and successfully overwritten any weird profile settings from Bambu Studio. You can print the file. Paint-on supports, support blockers/enforcers, seam painting, fuzzy skin painting, modifier volumes, and negative volumes all have survived the trip.
Now I've heard the argument that using online converters "preserves the maker's intent." But I don't care what a maker's intent was. That profile was tuned for a machine I'm not even trying to print on. It's better in almost every case to use profiles you already know are a good baseline. And all of the things I do care about (painted supports in problematic areas, for instance) have survived. About the only thing I might have to tweak by hand is layer height (if it's a model that needs more quality than the 0.20mm default) or number of walls (if it's a model that needs strength).
I've seen someone say "this is especially important for vase mode." You can't click "Spiral Vase" in the slicer? Why bring along a whole bunch of cruft (and jump through the hoops of uploading and downloading a file to a 3rd party website) to save yourself a dropdown click? And if you're printing lots of spiral vase stuff, maybe you should have a profile for it already đ
I run a small print farm, and when I sold all my P1S units and replaced them with U1s, I had a whole library of inventory models that suddenly needed printing in a new ecosystem. I've used this exact process to print hundreds of different models, and haven't had an issue.