Bambu Studio forbids printing with different nozzle sizes,
yet it is perfectly possible to 3D print using two different nozzle sizes on a dual-extrusion
machine with slicers like Orca or Cura (according to Google AI)!
I really wonder why they restrict this for the H2D or H2C models, which actually support multi-material printing! For instance, I have this amazing STL
that blends art and geometry: the first layers could be printed at 0.6mm, then the rest at 0.4mm—perhaps using adaptive layering to transition between the two nozzles. I might not even need that, though, since the two parts are glued together, and only the figure of Christ requires fine detail!