I was printing The Hive and in Cura I set the module and the drawer, then duplicated it and set the duplicates. What’s weird is one is printing supports on the inside and the other isn’t. I have no idea why. I think it’s the original but I could have them mixed up. I was curious if duplicate is pretty much copy/paste, or if it was some conceptual error on my part. Still pretty new at the printing stuff thing I guess.
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Oh yeah, that’s a fairly common mistake; you’re using Cura and not PrusaSlicer. 
I haven’t used Cura in quite a while, but based on the second image It doesn’t look like it should generate supports under any circumstances. Maybe the mesh is non-manifold and causing weird errors?
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